Hashcash: Revision history

8 April 2022

• curprev 16:3316:33, 8 April 2022‎ Tris T7 talk contribs‎ m 17,008 bytes +8‎ →‎Hash function choices: added article link

30 April 2019

• curprev 18:3318:33, 30 April 2019‎ Gmaxwell talk contribs‎ 17,000 bytes −2,378‎ This page doesn't really seem maintained, but the description here is wrong and not consistent with answers given even at the time it was written: bitcointalk.org/index.php?topic=45456.0

24 April 2019

• curprev 00:2900:29, 24 April 2019‎ Luke-jr talk contribs‎ 19,378 bytes −30‎ Remove scamcoin promotion

25 March 2017

• curprev 00:3700:37, 25 March 2017‎ Bernd Jendrissek talk contribs‎ m 19,408 bytes +68‎ Note that SHA1 collisions have been found

29 January 2016

• curprev 16:5616:56, 29 January 2016‎ JonathanCross talk contribs‎ 19,340 bytes −181‎ →‎History: Linking to internal pages where possible.

13 July 2015

• curprev 18:5318:53, 13 July 2015‎ Sunnankar talk contribs‎ 19,521 bytes +105‎ →‎History

21 February 2015

• curprev 10:5110:51, 21 February 2015‎ Adam3us talk contribs‎ m 19,416 bytes +2‎ →‎Work, difficulty & cryptographic security

2 August 2014

• curprev 04:2704:27, 2 August 2014‎ Gmaxwell talk contribs‎ m 19,414 bytes −44‎ Reverted edits by Superb (talk) to last revision by Luke-jr

1 August 2014

• curprev 13:2913:29, 1 August 2014‎ Superb talk contribs‎ 19,458 bytes +44‎ No edit summary

8 June 2014

• curprev 04:2304:23, 8 June 2014‎ Luke-jr talk contribs‎ 19,414 bytes −30‎ →‎Litecoin proof-of-work: Not really Litecoin-specific

31 January 2014

• curprev 03:4903:49, 31 January 2014‎ Ontarioboy talk contribs‎ m 19,444 bytes −48‎ →‎Hashcash function: some typos, spaces and apostrophes tidyed up
• curprev 03:3403:34, 31 January 2014‎ Ontarioboy talk contribs‎ m 19,492 bytes −2‎ →‎History: capitalize Microsoft

3 November 2013

• curprev 14:2014:20, 3 November 2013‎ Adam3us talk contribs‎ m 19,494 bytes −29‎ →‎Work, difficulty & cryptographic security: fix exa/peta confusion, previous was correct
• curprev 13:5613:56, 3 November 2013‎ Adam3us talk contribs‎ m 19,523 bytes 0‎ →‎Work, difficulty & cryptographic security
• curprev 11:3211:32, 3 November 2013‎ Adam3us talk contribs‎ m 19,523 bytes −2‎ →‎Work, difficulty & cryptographic security: fix power multiple
• curprev 11:2711:27, 3 November 2013‎ Adam3us talk contribs‎ m 19,525 bytes +28‎ →‎Work, difficulty & cryptographic security: more fixing peta vs exa confusion

2 November 2013

• curprev 23:4923:49, 2 November 2013‎ Adam3us talk contribs‎ m 19,497 bytes −35‎ →‎Work, difficulty & cryptographic security: replace exa with peta, leftover mistake

1 November 2013

• curprev 12:3612:36, 1 November 2013‎ Adam3us talk contribs‎ 19,532 bytes +2,336‎ →‎Double Hash: new section speculation about SHA3
• curprev 12:1712:17, 1 November 2013‎ Adam3us talk contribs‎ m 17,196 bytes +56‎ →‎Double Hash: moved redundant text here
• curprev 12:1512:15, 1 November 2013‎ Adam3us talk contribs‎ m 17,140 bytes −147‎ →‎Hash function choices: remove redundant text
• curprev 12:1212:12, 1 November 2013‎ Adam3us talk contribs‎ m 17,287 bytes +51‎ →‎Hashcash function: fix math notation error should be / not mod
• curprev 12:0112:01, 1 November 2013‎ Adam3us talk contribs‎ m 17,236 bytes +10‎ →‎Hashcash function: clearer label of preimage vs output
• curprev 11:5711:57, 1 November 2013‎ Adam3us talk contribs‎ 17,226 bytes +1‎ →‎Work, difficulty & cryptographic security: correct units on hashrate

31 October 2013

• curprev 15:4315:43, 31 October 2013‎ Adam3us talk contribs‎ 17,225 bytes +332‎ →‎Double Hash: better explanation about double hash
• curprev 15:2515:25, 31 October 2013‎ Adam3us talk contribs‎ m 16,893 bytes 0‎ →‎History: formatting
• curprev 15:2315:23, 31 October 2013‎ Adam3us talk contribs‎ m 16,893 bytes +96‎ →‎Hashcash: link to more wikipedia

30 October 2013

• curprev 00:5200:52, 30 October 2013‎ Adam3us talk contribs‎ m 16,797 bytes +152‎ →‎Decentralization: hashcash-Scrypt vs hashcash-SHA256: minor text improvemens
• curprev 00:4700:47, 30 October 2013‎ Adam3us talk contribs‎ m 16,645 bytes +12‎ →‎Decentralization & Scrypt(1) vs SHA256^2: no superscript simpify heading
• curprev 00:4600:46, 30 October 2013‎ Adam3us talk contribs‎ m 16,633 bytes +50‎ →‎Litecoin proof-of-work: split section comparing scrypt / sha256
• curprev 00:4200:42, 30 October 2013‎ Adam3us talk contribs‎ m 16,583 bytes +1,129‎ →‎Hashcash function: multiple small corrections

29 October 2013

• curprev 18:0118:01, 29 October 2013‎ Adam3us talk contribs‎ m 15,454 bytes +1‎ →‎Miner privacy: typo fix
• curprev 17:5917:59, 29 October 2013‎ Adam3us talk contribs‎ m 15,453 bytes +20‎ →‎Work, difficulty & cryptographic security: clarify +1
• curprev 17:5817:58, 29 October 2013‎ Adam3us talk contribs‎ m 15,433 bytes +2,930‎ →‎Adding purpose: about difficulty, target & separate secton on that
• curprev 17:0317:03, 29 October 2013‎ Luke-jr talk contribs‎ 12,503 bytes −102‎ →‎Litecoin proof-of-work: Throwing more memory in an ASIC isn't hard. Nor does Litecoin's scrypt technically require having the memory.
• curprev 16:5216:52, 29 October 2013‎ Adam3us talk contribs‎ m 12,605 bytes +15‎ →‎Hashcash: split history into another section to make it easier for readers to skip!
• curprev 16:4916:49, 29 October 2013‎ Adam3us talk contribs‎ m 12,590 bytes −24‎ →‎Hashcash: more external and internal links
• curprev 16:4316:43, 29 October 2013‎ Adam3us talk contribs‎ m 12,614 bytes +1‎ →‎Double Hash=: typo
• curprev 16:4316:43, 29 October 2013‎ Adam3us talk contribs‎ m 12,613 bytes +90‎ →‎Hashcash: move double hash to new subsection, rewrite hmac explanation
• curprev 16:3616:36, 29 October 2013‎ Adam3us talk contribs‎ m 12,523 bytes +44‎ →‎Hashcash: give equal billing to bit-gold & cross ref
• curprev 16:2916:29, 29 October 2013‎ Adam3us talk contribs‎ 12,479 bytes +834‎ →‎Hashcash: ref b-money, i2p, other uses
• curprev 16:1016:10, 29 October 2013‎ Adam3us talk contribs‎ m 11,645 bytes +290‎ →‎Adding purpose: tidy up
• curprev 16:0216:02, 29 October 2013‎ Adam3us talk contribs‎ m 11,355 bytes +54‎ →‎Hashcash function: clarify a full hash inversion is computationally infeasible
• curprev 15:5515:55, 29 October 2013‎ Adam3us talk contribs‎ m 11,301 bytes +85‎ →‎Hashcash: put fpga, cpu in order
• curprev 14:4514:45, 29 October 2013‎ Adam3us talk contribs‎ 11,216 bytes +11,216‎ new page on hashcash protcol, doesnt seem to be explained in full detail elsewhere