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Author SHA1 Message Date
rating89us
f467afe028
ch08: delete extra space 2021-01-18 20:43:05 +01:00
Andreas M. Antonopoulos
b926626c1a
Merge pull request #739 from hebasto/210118-dns 
ch08: Update number of DNS seeds
 2021-01-18 09:08:42 -06:00
Hennadii Stepanov
b5a7b5df3e
ch08: Update number of DNS seeds 
There are 9 seeds since 0.21: https://github.com/bitcoin/bitcoin/blob/0.21/src/chainparams.cpp#L121-L129

And there were 8 seeds since v0.18: https://github.com/bitcoin/bitcoin/blob/0.18/src/chainparams.cpp#L123-L130
 2021-01-18 16:52:48 +02:00
Andreas M. Antonopoulos
d1e61889bb
Merge pull request #738 from rating89us/patch-2 
ch10: make it clear that we talk about hard fork in bitcoin
 2021-01-17 09:40:43 -06:00
rating89us
1d58378edf ch10: make it clear that hard fork is in bitcoin 2021-01-16 21:06:43 +01:00
rating89us
21597f5cf9
ch01: add space after comma and before i.e. 2021-01-15 17:23:43 +01:00
Andreas M. Antonopoulos
0eb5d5eb30
Merge pull request #733 from hebasto/210113-trap 
ch04: Fix mathematical terms
 2021-01-15 06:46:52 -06:00
Hennadii Stepanov
a8c672ffb5
ch04: Fix mathematical terms 
1. EC multiplication is a "one-way" function, not a "trapdoor" one.
There is no information that makes reverse function easy.
See:
  - https://en.wikipedia.org/wiki/Trapdoor_function
  - https://en.wikipedia.org/wiki/One-way_function

2. The "discrete logarithm" is more usual term for the reverse operation
for EC multiplication.
 2021-01-15 09:23:51 +02:00
Andreas M. Antonopoulos
387e9b1a31
Merge pull request #735 from jerzybrzoska/patch-1 
Choice of words: possible but pointless (introduction)
 2021-01-14 19:59:00 -06:00
Andreas M. Antonopoulos
ca5d0e6485
Merge pull request #731 from rating89us/patch-9 
ch02: better wording of transaction outputs explanation
 2021-01-14 19:53:33 -06:00
Andreas M. Antonopoulos
784351ad69
Merge pull request #708 from rating89us/patch-5 
ch10: delete 'no longer'; clarify 'forward' word
 2021-01-14 19:34:49 -06:00
Andreas M. Antonopoulos
5d923833a4
Merge pull request #707 from rating89us/patch-4 
ch10: follows -> follow
 2021-01-14 19:34:11 -06:00
Andreas M. Antonopoulos
c7b30db76d
Merge pull request #706 from rating89us/patch-3 
ch10: add "'s input"
 2021-01-14 19:33:26 -06:00
Andreas M. Antonopoulos
8393fa275d
Merge pull request #705 from rating89us/patch-2 
ch10: paralellism (the...the)
 2021-01-14 19:32:39 -06:00
Andreas M. Antonopoulos
71b4e52dcb
Merge pull request #704 from rating89us/patch-1 
ch10: candidate node -> candidate block
 2021-01-14 19:32:04 -06:00
Andreas M. Antonopoulos
3a76f89a46
Merge pull request #700 from satsie/fix-ch10-typo 
Fix Minor Typo in Chapter 10
 2021-01-14 19:31:41 -06:00
Andreas M. Antonopoulos
86d59b0045
Merge pull request #699 from Xekyo/transactionSizes 
Correct transaction costs in segwit example
 2021-01-14 19:30:55 -06:00
Andreas M. Antonopoulos
22a09e0658
Merge pull request #736 from jerzybrzoska/patch-2 
450 MiB is now the default cache size (ch. 3)
 2021-01-14 19:28:50 -06:00
Andreas M. Antonopoulos
43faf7e7a4
Merge pull request #734 from hebasto/210113-hash 
ch04: Fix terms of ScriptSig
 2021-01-14 19:28:27 -06:00
jerzybrzoska
39118cdd21
450 MiB is now the default cache size 
The default cache size is now 450 MiB on the most recent release (0.20.1)
 2021-01-14 12:14:55 +01:00
jerzybrzoska
ccc684d19a
Wording: possible but pointless (introduction) 
It is possible to make a specific recommendation but it would be rather futile to do so.
 2021-01-14 10:51:50 +01:00
Hennadii Stepanov
3d34e80ef5
ch04: Fix terms of ScriptSig 
For P2PKH outputs the ScriptSig contains a public key, but not its hash.
 2021-01-14 02:08:19 +02:00
Andreas M. Antonopoulos
d4ee007cbb
Merge pull request #732 from jerzybrzoska/patch-1 
"Bitcoin are ..." is not correct.
 2021-01-11 14:45:36 -06:00
jerzybrzoska
d652c952cf
Update ch01.asciidoc 2021-01-11 20:53:50 +01:00
jerzybrzoska
f6ba290d4b
"Bitcoin are ..." is not correct. 
I also added a parenthetical clause that explained what bitcoins are. This version seems less ambiguous to me.
 2021-01-11 20:40:09 +01:00
rating89us
472136434b
ch02: better wording of transaction outputs explanation 2021-01-11 15:07:32 +01:00
Andreas M. Antonopoulos
77186aa3b1
Merge pull request #729 from gyousuf/patch-1 
Update full node disk space requirement
 2021-01-07 08:46:27 -06:00
Guled Yousuf
2a7d860f58
Update full node disk space requirement 
Updating the disk space requirement to run a full node from 160GB to 360GB.
 2021-01-05 19:47:40 -08:00
rating89us
dd17f8a422
ch10: 'support'->'provide(s) support for'; add 'string'; add 'finally,' 2020-11-25 21:18:39 +01:00
rating89us
fadbe5d4f4
ch10: delete 'no longer'; clarify that 'forward' means in relation to the hard fork event 2020-11-25 20:05:26 +01:00
rating89us
1af3d97de5
ch10: follows -> follow 2020-11-25 08:47:22 +01:00
rating89us
1fc2e16334
ch10: add "'s input" 2020-11-25 00:34:14 +01:00
rating89us
095bf26c9a
ch10: paralellism (the...the) 2020-11-24 13:15:07 +01:00
rating89us
7a97ea0ee3
ch10: candidate node -> candidate block 2020-11-24 12:56:34 +01:00
Stacie Waleyko
eb4ec4f0b7
Fix minor typo in Chapter 10 2020-10-24 21:57:40 -04:00
Murch
8072effb93
Correct transaction costs in segwit example 
The transaction fees in the example were off.
2-of-3 P2SH inputs are between 293 and 297 bytes (293 bytes if both
signatures have low-R, 296 bytes if one signature has high-R, 297 bytes
if both signatures have high-R) and P2SH outputs are 32 bytes.

2-of-3 P2WSH (native segwit) inputs are between 104 and 104.5 vbytes
(416–418 WU, depending on low-R/high-R as above) and P2WSH outputs are
43 bytes.

The transaction header has 10 bytes for non-segwit transactions and 42
WU for segwit transactions.

Source:
https://github.com/BitGo/unspents/blob/master/src/dimensions.ts#L69

I have updated the numbers in the example and amended the conclusion
which did not match the new numbers. Calculation details follow.

-----

Let's assume that the wallet is using signature grinding and will always
produce signatures with low-R:

•Without Segregated Witness:
Transaction A using 2-of-3 P2SH inputs and P2SH outputs:
3*293 + 10 + 2*32 = 953
953 * 30 = 28,590

Transaction B using 2-of-3 P2SH inputs and P2SH outputs:
2*293 + 10 + 3*32 = 692
692 * 30 = 20,760

•With Segregated Witness:
Transaction A using 2-of-3 P2WSH (native segwit) inputs and outputs:
3*104 + 10.5 + 2*43 = 408.5
408.5 * 30 = 12,255

Transaction B using 2-of-3 P2WSH (native segwit) inputs and P2WSH
outputs:
2*104 + 10.5 + 3*43 = 347.5
347.5 * 30 = 10,425
 2020-10-13 23:11:13 -04:00
Andreas M. Antonopoulos
f40ccd601f
Merge pull request #698 from reachjason/patch-1 
Update ch01.asciidoc
 2020-10-13 17:12:30 -05:00
Andreas M. Antonopoulos
535c9a0653
Merge pull request #696 from ivigamberdiev/patch-1 
Update links on resources
 2020-10-13 17:11:43 -05:00
Andreas M. Antonopoulos
5b720c8380
Merge pull request #695 from 64H-1/patch-1 
Change 1.8 ZH/s to 1.8 ZH
 2020-10-13 17:10:28 -05:00
Jason Rodrigues
3e39371a1f
Update ch01.asciidoc 
Fixed some grammatical errors.
 2020-10-12 11:55:45 +05:30
ivigamberdiev
ba72ea5cf5
Update links on resources 
- Update link to new libbitcoin repo
- https for bcoin
- Remove Bits of Proof, whose site was purchased
- Update the link to the fork of pybitcointools that was maintained by the community after Vitalik ended support
 2020-08-07 19:29:49 +03:00
64H-1
17029be8ac
Change 1.8 ZH/s to 1.8 ZH 
Wrong dimension. It takes a certain number of hashes to discover a new block on average, not a certain number of hashes per second.
 2020-07-29 12:19:16 +02:00
Will Binns
e0a0e656b4
github_contrib: Add contributor, 'Dan Raviv' 2020-07-18 18:05:15 +02:00
Will Binns
8cbb757732
readme: Update link to second edition, third print 
Closes #646
 2020-07-18 18:02:20 +02:00
Will Binns
eb2c8cc7ad
ch04: Fix subscript 
Resolves #679
 2020-07-16 18:12:16 +02:00
Will Binns
d494f306a5
github_contrib: Add 'Vlad Stan' 2020-07-16 18:09:52 +02:00
Will Binns
a16500efbf
ch06: Remove link to b.info strange transactions (n/a) 2020-07-16 18:06:51 +02:00
Will Binns
4fb404ddfa
appdx-bitcore: Drop reference to playground 
Resolves #657
 2020-07-16 17:46:27 +02:00
Will Binns
2100a23196
github_contrib: Add 'Michael Galero' 2020-07-16 17:33:15 +02:00
Will Binns
cc227c673a
ch04: Drop reference to BIP-38 
Resolves #635
 2020-07-16 17:30:55 +02:00