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13 <h1>
14 <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
15
16 </h1>
17
18 </div>
19
20
21 <h3>Entries tagged "bitcoin".</h3>
22
23 <div class="entry">
24 <div class="title">
25 <a href="http://people.skolelinux.org/pere/blog/EU_domstolen_konkluderer_motsatt_av_Skatteetaten_n_r_det_gjelder_Bitcoin.html">EU-domstolen konkluderer motsatt av Skatteetaten når det gjelder Bitcoin</a>
26 </div>
27 <div class="date">
28 22nd October 2015
29 </div>
30 <div class="body">
31 <p>Bitcoin er i litt vinden i Norge for tiden, med
32 <a href="http://www.nrk.no/ytring/en-digital-robin-hood-1.12604681">kronikk
33 om bitcoin-overføringer på tvers av landegrensene</A> hos NRK Ytring
34 for to dager siden og
35 <a href="https://tv.nrk.no/program/KOID25009815/kapital-bitcoin-en-digital-pengebinge">dokumentar
36 om bitcoin</a> på NRK 2 i forgårs og i går. I den sammenhengen er det
37 spesielt hyggelig med en gladnyhet fra EU om Bitcoin.</p>
38
39 <p>I dag konkluderte EU-domstolen at
40 <a href="http://curia.europa.eu/juris/document/document.jsf?text=&docid=170305&pageIndex=0&doclang=en&mode=req&dir=&occ=first&part=1&cid=604079">Bitcoin-kjøp
41 fra Bitcoin-børser ikke er MVA-pliktig</a> (sak C‑264/14). Fant
42 <a href="http://www.reuters.com/article/2015/10/22/us-bitcoin-tax-eu-idUSKCN0SG0X920151022">nyheten
43 først hos Reuters</a>, etter tips fra innehaveren av
44 <a href="http://www.bitmynt.no/">Bitmynt</a>. EU-domstolens avgjørelse
45 er stikk i strid med
46 <a href="http://www.skatteetaten.no/no/Radgiver/Rettskilder/Uttalelser/Prinsipputtalelser/Bruk-av-bitcoins--skatte--og-avgiftsmessige-konsekvenser/">annonseringen
47 fra Skatteetaten i 2013</a>, der de konkluderte med at bitcoin er et
48 «formuesobjekter» som det skulle betales mva på ved kjøp og salg.
49 Dermed la Skatteetaten opp til dobbel MVA-betaling hvis en kjøpte noe
50 med Bitcoin fra Norge (først mva på kjøp av Bitcoin, deretter mva på
51 det en kjøper med Bitcoin). Jeg lurer på om denne avgjørelsen får
52 Skatteetaten til å bytte mening. Gleder meg til fortsettelsen.</p>
53
54 </div>
55 <div class="tags">
56
57
58 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>.
59
60
61 </div>
62 </div>
63 <div class="padding"></div>
64
65 <div class="entry">
66 <div class="title">
67 <a href="http://people.skolelinux.org/pere/blog/A_fist_full_of_non_anonymous_Bitcoins.html">A fist full of non-anonymous Bitcoins</a>
68 </div>
69 <div class="date">
70 29th January 2014
71 </div>
72 <div class="body">
73 <p>Bitcoin is a incredible use of peer to peer communication and
74 encryption, allowing direct and immediate money transfer without any
75 central control. It is sometimes claimed to be ideal for illegal
76 activity, which I believe is quite a long way from the truth. At least
77 I would not conduct illegal money transfers using a system where the
78 details of every transaction are kept forever. This point is
79 investigated in
80 <a href="https://www.usenix.org/publications/login">USENIX ;login:</a>
81 from December 2013, in the article
82 "<a href="https://www.usenix.org/system/files/login/articles/03_meiklejohn-online.pdf">A
83 Fistful of Bitcoins - Characterizing Payments Among Men with No
84 Names</a>" by Sarah Meiklejohn, Marjori Pomarole,Grant Jordan, Kirill
85 Levchenko, Damon McCoy, Geoffrey M. Voelker, and Stefan Savage. They
86 analyse the transaction log in the Bitcoin system, using it to find
87 addresses belong to individuals and organisations and follow the flow
88 of money from both Bitcoin theft and trades on Silk Road to where the
89 money end up. This is how they wrap up their article:</p>
90
91 <p><blockquote>
92 <p>"To demonstrate the usefulness of this type of analysis, we turned
93 our attention to criminal activity. In the Bitcoin economy, criminal
94 activity can appear in a number of forms, such as dealing drugs on
95 Silk Road or simply stealing someone else’s bitcoins. We followed the
96 flow of bitcoins out of Silk Road (in particular, from one notorious
97 address) and from a number of highly publicized thefts to see whether
98 we could track the bitcoins to known services. Although some of the
99 thieves attempted to use sophisticated mixing techniques (or possibly
100 mix services) to obscure the flow of bitcoins, for the most part
101 tracking the bitcoins was quite straightforward, and we ultimately saw
102 large quantities of bitcoins flow to a variety of exchanges directly
103 from the point of theft (or the withdrawal from Silk Road).</p>
104
105 <p>As acknowledged above, following stolen bitcoins to the point at
106 which they are deposited into an exchange does not in itself identify
107 the thief; however, it does enable further de-anonymization in the
108 case in which certain agencies can determine (through, for example,
109 subpoena power) the real-world owner of the account into which the
110 stolen bitcoins were deposited. Because such exchanges seem to serve
111 as chokepoints into and out of the Bitcoin economy (i.e., there are
112 few alternative ways to cash out), we conclude that using Bitcoin for
113 money laundering or other illicit purposes does not (at least at
114 present) seem to be particularly attractive."</p>
115 </blockquote><p>
116
117 <p>These researches are not the first to analyse the Bitcoin
118 transaction log. The 2011 paper
119 "<a href="http://arxiv.org/abs/1107.4524">An Analysis of Anonymity in
120 the Bitcoin System</A>" by Fergal Reid and Martin Harrigan is
121 summarized like this:</p>
122
123 <p><blockquote>
124 "Anonymity in Bitcoin, a peer-to-peer electronic currency system, is a
125 complicated issue. Within the system, users are identified by
126 public-keys only. An attacker wishing to de-anonymize its users will
127 attempt to construct the one-to-many mapping between users and
128 public-keys and associate information external to the system with the
129 users. Bitcoin tries to prevent this attack by storing the mapping of
130 a user to his or her public-keys on that user's node only and by
131 allowing each user to generate as many public-keys as required. In
132 this chapter we consider the topological structure of two networks
133 derived from Bitcoin's public transaction history. We show that the
134 two networks have a non-trivial topological structure, provide
135 complementary views of the Bitcoin system and have implications for
136 anonymity. We combine these structures with external information and
137 techniques such as context discovery and flow analysis to investigate
138 an alleged theft of Bitcoins, which, at the time of the theft, had a
139 market value of approximately half a million U.S. dollars."
140 </blockquote></p>
141
142 <p>I hope these references can help kill the urban myth that Bitcoin
143 is anonymous. It isn't really a good fit for illegal activites. Use
144 cash if you need to stay anonymous, at least until regular DNA
145 sampling of notes and coins become the norm. :)</p>
146
147 <p>As usual, if you use Bitcoin and want to show your support of my
148 activities, please send Bitcoin donations to my address
149 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
150
151 </div>
152 <div class="tags">
153
154
155 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>, <a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix</a>.
156
157
158 </div>
159 </div>
160 <div class="padding"></div>
161
162 <div class="entry">
163 <div class="title">
164 <a href="http://people.skolelinux.org/pere/blog/Bitcoin_er_ikke_anonymt___f_res_Stortinget_bak_lyset_av_finansministeren_.html">Bitcoin er ikke anonymt - føres Stortinget bak lyset av finansministeren?</a>
165 </div>
166 <div class="date">
167 22nd April 2013
168 </div>
169 <div class="body">
170 <p><a href="http://bitcoin.org/">Bitcoin</a> er mye i mediene for
171 tiden. Jeg følger med via Mylder for å finne
172 <a href="http://mylder.no/?drill=bitcoin">artikler som omtaler
173 temaet</a>, og takket være dette oppdaget jeg at stortingsrepresentant
174 Ketil Solvik-Olsen fra FrP nylig har spurt finansminister Sigbjørn
175 Johnsen om hans syn på Bitcoin, og
176 <a href="http://www.stortinget.no/no/Saker-og-publikasjoner/Sporsmal/Skriftlige-sporsmal-og-svar/Skriftlig-sporsmal/?qid=57052">fått
177 svar for noen dager siden</a>. Jeg bet meg spesielt merke til
178 følgende formulering fra finansministeren:</p>
179
180 <p><blockquote>
181 «Det er også utfordringer ved at handel med Bitcoins er uregulert og
182 at transaksjonene er anonyme.»
183 </blockquote></p>
184
185 <p>At Bitcoin er anonymt er en myte som spres av både journalister og
186 andre, så det er ikke veldig overraskende at også finansministeren har
187 gått på limpinnen. Det er dog litt rart, da jeg håper at
188 finansdepartementet ikke baserer seg på rykter og myter når de
189 besvarer Stortinget. Men du trenger ikke bare tro på meg som kilde
190 til påstanden om at Bitcoin ikke er anonymt. Sondre Rønjom har
191 <a href="http://blogg.nsm.stat.no/archives/3241">via Sikkerhetsbloggen
192 hos Nasjonal Sikkerhetsmyndighet</a> uttalt følgende:</p>
193
194 <p><blockquote>
195 «At [bitcoin] i utgangspunktet
196 <a href="http://arxiv.org/abs/1107.4524"><em>ikke</em> er anonymt</a>,
197 kommer kanskje som en overraskelse på mange.»
198 </blockquote></p>
199
200 <p>Enhver bevegelse av Bitcoin er offentlig tilgjengelig for alle på
201 Internet, og en må legge svært mye innsats inn hvis en skal hindre at
202 nettverksanalyse av transaksjonsloggene kan brukes til å identifisere
203 brukerne. F.eks. kan en enkelt se hva jeg har mottatt til min
204 offentliggjorte mottaksadresse ved å besøke blockexplorer og slå opp
205 adressen
206 <a href="http://blockexplorer.com/address/15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a>.
207 Det virker dermed på meg ganske klart at å påstå at
208 Bitcoin-transaksjoner er anonyme strengt tatt er å føre Stortinget bak
209 lyset.</p>
210
211 <p>Finansministeren er ikke den eneste som har latt seg forlede av
212 medieomtalen. I spørsmålet fra Hr. Solvik-Olsen skriver han at «For
213 noen dager siden kom den første bitcoin-minibanken på Kypros», hvilket
214 så vidt jeg har klart å finne ut ikke er riktig. Det er annonsert
215 planer om en slik minibank (fra
216 <a href="http://www.bitcoinatm.com/">BitcoinATM</a>), men jeg finner
217 intet tegn til at en slik minibank er utplassert noe sted.</p>
218
219 <p>Som vanlig, hvis du bruker Bitcoin og ønsker å vise din støtte til
220 mine aktiviteter, så setter jeg pris på Bitcoin-donasjoner til min
221 adresse
222 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
223
224 </div>
225 <div class="tags">
226
227
228 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>, <a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget</a>.
229
230
231 </div>
232 </div>
233 <div class="padding"></div>
234
235 <div class="entry">
236 <div class="title">
237 <a href="http://people.skolelinux.org/pere/blog/Bitcoin_GUI_now_available_from_Debian_unstable__and_Ubuntu_raring_.html">Bitcoin GUI now available from Debian/unstable (and Ubuntu/raring)</a>
238 </div>
239 <div class="date">
240 2nd February 2013
241 </div>
242 <div class="body">
243 <p>My
244 <a href="http://people.skolelinux.org/pere/blog/How_to_backport_bitcoin_qt_version_0_7_2_2_to_Debian_Squeeze.html">last
245 bitcoin related blog post</a> mentioned that the new
246 <a href="http://packages.qa.debian.org/bitcoin">bitcoin package</a> for
247 Debian was waiting in NEW. It was accepted by the Debian ftp-masters
248 2013-01-19, and have been available in unstable since then. It was
249 automatically copied to Ubuntu, and is available in their Raring
250 version too.</p>
251
252 <p>But there is a strange problem with the build that block this new
253 version from being available on the i386 and kfreebsd-i386
254 architectures. For some strange reason, the autobuilders in Debian
255 for these architectures fail to run the test suite on these
256 architectures (<a href="http://bugs.debian.org/672524">BTS #672524</a>).
257 We are so far unable to reproduce it when building it manually, and
258 no-one have been able to propose a fix. If you got an idea what is
259 failing, please let us know via the BTS.</p>
260
261 <p>One feature that is annoying me with of the bitcoin client, because
262 I often run low on disk space, is the fact that the client will exit
263 if it run short on space (<a href="http://bugs.debian.org/696715">BTS
264 #696715</a>). So make sure you have enough disk space when you run
265 it. :)</p>
266
267 <p>As usual, if you use bitcoin and want to show your support of my
268 activities, please send Bitcoin donations to my address
269 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
270
271 </div>
272 <div class="tags">
273
274
275 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>.
276
277
278 </div>
279 </div>
280 <div class="padding"></div>
281
282 <div class="entry">
283 <div class="title">
284 <a href="http://people.skolelinux.org/pere/blog/How_to_backport_bitcoin_qt_version_0_7_2_2_to_Debian_Squeeze.html">How to backport bitcoin-qt version 0.7.2-2 to Debian Squeeze</a>
285 </div>
286 <div class="date">
287 25th December 2012
288 </div>
289 <div class="body">
290 <p>Let me start by wishing you all marry Christmas and a happy new
291 year! I hope next year will prove to be a good year.</p>
292
293 <p><a href="http://www.bitcoin.org/">Bitcoin</a>, the digital
294 decentralised "currency" that allow people to transfer bitcoins
295 between each other with minimal overhead, is a very interesting
296 experiment. And as I wrote a few days ago, the bitcoin situation in
297 <a href="http://www.debian.org/">Debian</a> is about to improve a bit.
298 The <a href="http://packages.qa.debian.org/bitcoin">new debian source
299 package</a> (version 0.7.2-2) was uploaded yesterday, and is waiting
300 in <a href="http://ftp-master.debian.org/new.html">the NEW queue</A>
301 for one of the ftpmasters to approve the new bitcoin-qt package
302 name.</p>
303
304 <p>And thanks to the great work of Jonas and the rest of the bitcoin
305 team in Debian, you can easily test the package in Debian Squeeze
306 using the following steps to get a set of working packages:</p>
307
308 <blockquote><pre>
309 git clone git://git.debian.org/git/collab-maint/bitcoin
310 cd bitcoin
311 DEB_MAINTAINER_MODE=1 DEB_BUILD_OPTIONS=noupnp fakeroot debian/rules clean
312 DEB_BUILD_OPTIONS=noupnp git-buildpackage --git-ignore-new
313 </pre></blockquote>
314
315 <p>You might have to install some build dependencies as well. The
316 list of commands should give you two packages, bitcoind and
317 bitcoin-qt, ready for use in a Squeeze environment. Note that the
318 client will download the complete set of bitcoin "blocks", which need
319 around 5.6 GiB of data on my machine at the moment. Make sure your
320 ~/.bitcoin/ directory have lots of spare room if you want to download
321 all the blocks. The client will warn if the disk is getting full, so
322 there is not really a problem if you got too little room, but you will
323 not be able to get all the features out of the client.</p>
324
325 <p>As usual, if you use bitcoin and want to show your support of my
326 activities, please send Bitcoin donations to my address
327 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
328
329 </div>
330 <div class="tags">
331
332
333 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>.
334
335
336 </div>
337 </div>
338 <div class="padding"></div>
339
340 <div class="entry">
341 <div class="title">
342 <a href="http://people.skolelinux.org/pere/blog/A_word_on_bitcoin_support_in_Debian.html">A word on bitcoin support in Debian</a>
343 </div>
344 <div class="date">
345 21st December 2012
346 </div>
347 <div class="body">
348 <p>It has been a while since I wrote about
349 <a href="http://www.bitcoin.org/">bitcoin</a>, the decentralised
350 peer-to-peer based crypto-currency, and the reason is simply that I
351 have been busy elsewhere. But two days ago, I started looking at the
352 state of <a href="http://packages.qa.debian.org/bitcoin">bitcoin in
353 Debian</a> again to try to recover my old bitcoin wallet. The package
354 is now maintained by a
355 <a href="https://alioth.debian.org/projects/pkg-bitcoin/">team of
356 people</a>, and the grunt work had already been done by this team. We
357 owe a huge thank you to all these team members. :)
358 But I was sad to discover that the bitcoin client is missing in
359 Wheezy. It is only available in Sid (and an outdated client from
360 backports). The client had several RC bugs registered in BTS blocking
361 it from entering testing. To try to help the team and improve the
362 situation, I spent some time providing patches and triaging the bug
363 reports. I also had a look at the bitcoin package available from Matt
364 Corallo in a
365 <a href="https://launchpad.net/~bitcoin/+archive/bitcoin">PPA for
366 Ubuntu</a>, and moved the useful pieces from that version into the
367 Debian package.</p>
368
369 <p>After checking with the main package maintainer Jonas Smedegaard on
370 IRC, I pushed several patches into the collab-maint git repository to
371 improve the package. It now contains fixes for the RC issues (not from
372 me, but fixed by Scott Howard), build rules for a Qt GUI client
373 package, konqueror support for the bitcoin: URI and bash completion
374 setup. As I work on Debian Squeeze, I also created
375 <a href="http://lists.alioth.debian.org/pipermail/pkg-bitcoin-devel/Week-of-Mon-20121217/000041.html">a
376 patch to backport</a> the latest version. Jonas is going to look at
377 it and try to integrate it into the git repository before uploading a
378 new version to unstable.
379
380 <p>I would very much like bitcoin to succeed, to get rid of the
381 centralized control currently exercised in the monetary system. I
382 find it completely unacceptable that the USA government is collecting
383 transaction data for almost all international money transfers (most are done in USD and transaction logs shipped to the spooks), and
384 that the major credit card companies can block legal money
385 transactions to Wikileaks. But for bitcoin to succeed, more people
386 need to use bitcoins, and more people need to accept bitcoins when
387 they sell products and services. Improving the bitcoin support in
388 Debian is a small step in the right direction, but not enough.
389 Unfortunately the user experience when browsing the web and wanting to
390 pay with bitcoin is still not very good. The bitcoin: URI is a step
391 in the right direction, but need to work in most or every browser in
392 use. Also the bitcoin-qt client is too heavy to fire up to do a
393 quick transaction. I believe there are other clients available, but
394 have not tested them.</p>
395
396 <p>My
397 <a href="http://people.skolelinux.org/pere/blog/Now_accepting_bitcoins___anonymous_and_distributed_p2p_crypto_money.html">experiment
398 with bitcoins</a> showed that at least some of my readers use bitcoin.
399 I received 20.15 BTC so far on the address I provided in my blog two
400 years ago, as can be
401 <a href="http://blockexplorer.com/address/15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">seen
402 on the blockexplorer service</a>. Thank you everyone for your
403 donation. The blockexplorer service demonstrates quite well that
404 bitcoin is not quite anonymous and untracked. :) I wonder if the
405 number of users have gone up since then. If you use bitcoin and want
406 to show your support of my activity, please send Bitcoin donations to
407 the same address as last time,
408 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
409
410 </div>
411 <div class="tags">
412
413
414 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>.
415
416
417 </div>
418 </div>
419 <div class="padding"></div>
420
421 <div class="entry">
422 <div class="title">
423 <a href="http://people.skolelinux.org/pere/blog/The_European_Central_Bank__ECB__take_a_look_at_bitcoin.html">The European Central Bank (ECB) take a look at bitcoin</a>
424 </div>
425 <div class="date">
426 4th November 2012
427 </div>
428 <div class="body">
429 <p>Slashdot just ran a story about the European Central Bank (ECB)
430 <a href="http://www.ecb.europa.eu/pub/pdf/other/virtualcurrencyschemes201210en.pdf">releasing
431 a report (PDF)</a> about virtual currencies and
432 <a href="http://www.bitcoin.org/">bitcoin</a>. It is interesting to
433 see how a member of the bitcoin community
434 <a href="http://blog.bitinstant.com/blog/2012/10/30/the-ecb-report-on-bitcoin-and-virtual-currencies.html">receive
435 the report</a>. As for the future, I suspect the central banks and
436 the governments will outlaw bitcoin if it gain any popularity, to avoid
437 competition. My thoughts go to the
438 <a href="http://en.wikipedia.org/wiki/Wörgl">Wörgl experiment</a> with
439 negative inflation on cash which was such a success that it was
440 terminated by the Austrian National Bank in 1933. A successful
441 alternative would be a threat to the current money system and gain
442 powerful forces to work against it.</p>
443
444 <p>While checking out the current status of bitcoin, I also discovered
445 that the community already seem to have
446 <a href="http://www.theverge.com/2012/8/27/3271637/bitcoin-savings-trust-pyramid-scheme-shuts-down">experienced
447 its first pyramid game / Ponzi scheme</a>. Not very surprising, given
448 how members of "small" communities tend to trust each other. I guess
449 enterprising crocks will try again and again, as they do anywhere
450 wealth is available.</p>
451
452 </div>
453 <div class="tags">
454
455
456 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>.
457
458
459 </div>
460 </div>
461 <div class="padding"></div>
462
463 <div class="entry">
464 <div class="title">
465 <a href="http://people.skolelinux.org/pere/blog/Some_thoughts_on_BitCoins.html">Some thoughts on BitCoins</a>
466 </div>
467 <div class="date">
468 11th December 2010
469 </div>
470 <div class="body">
471 <p>As I continue to explore
472 <a href="http://www.bitcoin.org/">BitCoin</a>, I've starting to wonder
473 what properties the system have, and how it will be affected by laws
474 and regulations here in Norway. Here are some random notes.</p>
475
476 <p>One interesting thing to note is that since the transactions are
477 verified using a peer to peer network, all details about a transaction
478 is known to everyone. This means that if a BitCoin address has been
479 published like I did with mine in my initial post about BitCoin, it is
480 possible for everyone to see how many BitCoins have been transfered to
481 that address. There is even a web service to look at the details for
482 all transactions. There I can see that my address
483 <a href="http://blockexplorer.com/address/15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a>
484 have received 16.06 Bitcoin, the
485 <a href="http://blockexplorer.com/address/1LfdGnGuWkpSJgbQySxxCWhv8MHqvwst3">1LfdGnGuWkpSJgbQySxxCWhv8MHqvwst3</a>
486 address of Simon Phipps have received 181.97 BitCoin and the address
487 <a href="http://blockexplorer.com/address/1MCwBbhNGp5hRm5rC1Aims2YFRe2SXPYKt">1MCwBbhNGp5hRm5rC1Aims2YFRe2SXPYKt</A>
488 of EFF have received 2447.38 BitCoins so far. Thank you to each and
489 every one of you that donated bitcoins to support my activity. The
490 fact that anyone can see how much money was transfered to a given
491 address make it more obvious why the BitCoin community recommend to
492 generate and hand out a new address for each transaction. I'm told
493 there is no way to track which addresses belong to a given person or
494 organisation without the person or organisation revealing it
495 themselves, as Simon, EFF and I have done.</p>
496
497 <p>In Norway, and in most other countries, there are laws and
498 regulations limiting how much money one can transfer across the border
499 without declaring it. There are money laundering, tax and accounting
500 laws and regulations I would expect to apply to the use of BitCoin.
501 If the Skolelinux foundation
502 (<a href="http://linuxiskolen.no/slxdebianlabs/donations.html">SLX
503 Debian Labs</a>) were to accept donations in BitCoin in addition to
504 normal bank transfers like EFF is doing, how should this be accounted?
505 Given that it is impossible to know if money can cross the border or
506 not, should everything or nothing be declared? What exchange rate
507 should be used when calculating taxes? Would receivers have to pay
508 income tax if the foundation were to pay Skolelinux contributors in
509 BitCoin? I have no idea, but it would be interesting to know.</p>
510
511 <p>For a currency to be useful and successful, it must be trusted and
512 accepted by a lot of users. It must be possible to get easy access to
513 the currency (as a wage or using currency exchanges), and it must be
514 easy to spend it. At the moment BitCoin seem fairly easy to get
515 access to, but there are very few places to spend it. I am not really
516 a regular user of any of the vendor types currently accepting BitCoin,
517 so I wonder when my kind of shop would start accepting BitCoins. I
518 would like to buy electronics, travels and subway tickets, not herbs
519 and books. :) The currency is young, and this will improve over time
520 if it become popular, but I suspect regular banks will start to lobby
521 to get BitCoin declared illegal if it become popular. I'm sure they
522 will claim it is helping fund terrorism and money laundering (which
523 probably would be true, as is any currency in existence), but I
524 believe the problems should be solved elsewhere and not by blaming
525 currencies.</p>
526
527 <p>The process of creating new BitCoins is called mining, and it is
528 CPU intensive process that depend on a bit of luck as well (as one is
529 competing against all the other miners currently spending CPU cycles
530 to see which one get the next lump of cash). The "winner" get 50
531 BitCoin when this happen. Yesterday I came across the obvious way to
532 join forces to increase ones changes of getting at least some coins,
533 by coordinating the work on mining BitCoins across several machines
534 and people, and sharing the result if one is lucky and get the 50
535 BitCoins. Check out
536 <a href="http://www.bluishcoder.co.nz/bitcoin-pool/">BitCoin Pool</a>
537 if this sounds interesting. I have not had time to try to set up a
538 machine to participate there yet, but have seen that running on ones
539 own for a few days have not yield any BitCoins througth mining
540 yet.</p>
541
542 <p>Update 2010-12-15: Found an <a
543 href="http://inertia.posterous.com/reply-to-the-underground-economist-why-bitcoi">interesting
544 criticism</a> of bitcoin. Not quite sure how valid it is, but thought
545 it was interesting to read. The arguments presented seem to be
546 equally valid for gold, which was used as a currency for many years.</p>
547
548 </div>
549 <div class="tags">
550
551
552 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>.
553
554
555 </div>
556 </div>
557 <div class="padding"></div>
558
559 <div class="entry">
560 <div class="title">
561 <a href="http://people.skolelinux.org/pere/blog/Now_accepting_bitcoins___anonymous_and_distributed_p2p_crypto_money.html">Now accepting bitcoins - anonymous and distributed p2p crypto-money</a>
562 </div>
563 <div class="date">
564 10th December 2010
565 </div>
566 <div class="body">
567 <p>With this weeks lawless
568 <a href="http://www.salon.com/news/opinion/glenn_greenwald/2010/12/06/wikileaks/index.html">governmental
569 attacks</a> on Wikileak and
570 <a href="http://www.salon.com/technology/dan_gillmor/2010/12/06/war_on_speech">free
571 speech</a>, it has become obvious that PayPal, visa and mastercard can
572 not be trusted to handle money transactions.
573 A blog post from
574 <a href="http://webmink.com/2010/12/06/now-accepting-bitcoin/">Simon
575 Phipps on bitcoin</a> reminded me about a project that a friend of
576 mine mentioned earlier. I decided to follow Simon's example, and get
577 involved with <a href="http://www.bitcoin.org/">BitCoin</a>. I got
578 some help from my friend to get it all running, and he even handed me
579 some bitcoins to get started. I even donated a few bitcoins to Simon
580 for helping me remember BitCoin.</p>
581
582 <p>So, what is bitcoins, you probably wonder? It is a digital
583 crypto-currency, decentralised and handled using peer-to-peer
584 networks. It allows anonymous transactions and prohibits central
585 control over the transactions, making it impossible for governments
586 and companies alike to block donations and other transactions. The
587 source is free software, and while the key dependency wxWidgets 2.9
588 for the graphical user interface is missing in Debian, the command
589 line client builds just fine. Hopefully Jonas
590 <a href="http://bugs.debian.org/578157">will get the package into
591 Debian</a> soon.</p>
592
593 <p>Bitcoins can be converted to other currencies, like USD and EUR.
594 There are <a href="http://www.bitcoin.org/trade">companies accepting
595 bitcoins</a> when selling services and goods, and there are even
596 currency "stock" markets where the exchange rate is decided. There
597 are not many users so far, but the concept seems promising. If you
598 want to get started and lack a friend with any bitcoins to spare,
599 you can even get
600 <a href="https://freebitcoins.appspot.com/">some for free</a> (0.05
601 bitcoin at the time of writing). Use
602 <a href="http://www.bitcoinwatch.com/">BitcoinWatch</a> to keep an eye
603 on the current exchange rates.</p>
604
605 <p>As an experiment, I have decided to set up bitcoind on one of my
606 machines. If you want to support my activity, please send Bitcoin
607 donations to the address
608 <b>15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</b>. Thank you!</p>
609
610 </div>
611 <div class="tags">
612
613
614 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin</a>, <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>.
615
616
617 </div>
618 </div>
619 <div class="padding"></div>
620
621 <p style="text-align: right;"><a href="bitcoin.rss"><img src="http://people.skolelinux.org/pere/blog/xml.gif" alt="RSS Feed" width="36" height="14" /></a></p>
622 <div id="sidebar">
623
624
625
626 <h2>Archive</h2>
627 <ul>
628
629 <li>2016
630 <ul>
631
632 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/01/">January (3)</a></li>
633
634 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/02/">February (2)</a></li>
635
636 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/03/">March (3)</a></li>
637
638 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/04/">April (8)</a></li>
639
640 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/05/">May (6)</a></li>
641
642 </ul></li>
643
644 <li>2015
645 <ul>
646
647 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
648
649 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
650
651 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/03/">March (1)</a></li>
652
653 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/04/">April (4)</a></li>
654
655 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/05/">May (3)</a></li>
656
657 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/06/">June (4)</a></li>
658
659 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/07/">July (6)</a></li>
660
661 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/08/">August (2)</a></li>
662
663 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
664
665 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
666
667 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
668
669 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
670
671 </ul></li>
672
673 <li>2014
674 <ul>
675
676 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
677
678 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
679
680 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/03/">March (8)</a></li>
681
682 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
683
684 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
685
686 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
687
688 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
689
690 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
691
692 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
693
694 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
695
696 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
697
698 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
699
700 </ul></li>
701
702 <li>2013
703 <ul>
704
705 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
706
707 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
708
709 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
710
711 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
712
713 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
714
715 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
716
717 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
718
719 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
720
721 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
722
723 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
724
725 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
726
727 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
728
729 </ul></li>
730
731 <li>2012
732 <ul>
733
734 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
735
736 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
737
738 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
739
740 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
741
742 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
743
744 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
745
746 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
747
748 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
749
750 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
751
752 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
753
754 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
755
756 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
757
758 </ul></li>
759
760 <li>2011
761 <ul>
762
763 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
764
765 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
766
767 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
768
769 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
770
771 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
772
773 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
774
775 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
776
777 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
778
779 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
780
781 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
782
783 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
784
785 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
786
787 </ul></li>
788
789 <li>2010
790 <ul>
791
792 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
793
794 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
795
796 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
797
798 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
799
800 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
801
802 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
803
804 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
805
806 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
807
808 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
809
810 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
811
812 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
813
814 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
815
816 </ul></li>
817
818 <li>2009
819 <ul>
820
821 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
822
823 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
824
825 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
826
827 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
828
829 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
830
831 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
832
833 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
834
835 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
836
837 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
838
839 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
840
841 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
842
843 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
844
845 </ul></li>
846
847 <li>2008
848 <ul>
849
850 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
851
852 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
853
854 </ul></li>
855
856 </ul>
857
858
859
860 <h2>Tags</h2>
861 <ul>
862
863 <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (13)</a></li>
864
865 <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
866
867 <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
868
869 <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
870
871 <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (9)</a></li>
872
873 <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (15)</a></li>
874
875 <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
876
877 <li><a href="http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (2)</a></li>
878
879 <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (128)</a></li>
880
881 <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (156)</a></li>
882
883 <li><a href="http://people.skolelinux.org/pere/blog/tags/digistan">digistan (10)</a></li>
884
885 <li><a href="http://people.skolelinux.org/pere/blog/tags/dld">dld (15)</a></li>
886
887 <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (22)</a></li>
888
889 <li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
890
891 <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (317)</a></li>
892
893 <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
894
895 <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (12)</a></li>
896
897 <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (27)</a></li>
898
899 <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
900
901 <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (16)</a></li>
902
903 <li><a href="http://people.skolelinux.org/pere/blog/tags/h264">h264 (20)</a></li>
904
905 <li><a href="http://people.skolelinux.org/pere/blog/tags/intervju">intervju (42)</a></li>
906
907 <li><a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (11)</a></li>
908
909 <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (19)</a></li>
910
911 <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
912
913 <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
914
915 <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
916
917 <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
918
919 <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
920
921 <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (38)</a></li>
922
923 <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (7)</a></li>
924
925 <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (275)</a></li>
926
927 <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (180)</a></li>
928
929 <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (26)</a></li>
930
931 <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
932
933 <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (60)</a></li>
934
935 <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (92)</a></li>
936
937 <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (1)</a></li>
938
939 <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
940
941 <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
942
943 <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
944
945 <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (9)</a></li>
946
947 <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
948
949 <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (4)</a></li>
950
951 <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
952
953 <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (46)</a></li>
954
955 <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
956
957 <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (4)</a></li>
958
959 <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (49)</a></li>
960
961 <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (4)</a></li>
962
963 <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (10)</a></li>
964
965 <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (36)</a></li>
966
967 <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (2)</a></li>
968
969 <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
970
971 <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (8)</a></li>
972
973 <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (56)</a></li>
974
975 <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
976
977 <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (38)</a></li>
978
979 </ul>
980
981
982 </div>
983 <p style="text-align: right">
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