Issues

• Ch.7, Exercise 4 answers.py typo?

  jimmysong/programmingbitcoin#302 · Filter by author NTierSoftware opened on Aug 10, 2026

• Incorrect link

  jimmysong/programmingbitcoin#299 · Filter by author tcharding opened on Jun 29, 2025

• S256Point.verify and Signature class in ecc.py do not issue warning if "s" value is high

  jimmysong/programmingbitcoin#297 · Filter by author salmonberry7 opened on Feb 17, 2025

• Some high "s" values in ECDSA signature not detected due to error in floating point arithmetic

  jimmysong/programmingbitcoin#296 · Filter by author salmonberry7 opened on Feb 3, 2025

• base58 decoding: parsing byte size

  jimmysong/programmingbitcoin#295 · Filter by author akinwilson opened on Jan 26, 2025

• Length of P2SH redeem script is incorrectly prepended prior to parsing via Script.parse

  jimmysong/programmingbitcoin#293 · Filter by author salmonberry7 opened on Jan 13, 2025

• Diagrams depicting Script commands and elements stacks can be confusing

  jimmysong/programmingbitcoin#292 · Filter by author salmonberry7 opened on Jan 5, 2025

• Chap. 8, p145 : scriptSig column in Fig 8.3 has an n instead of an OP_0 at start of script

  jimmysong/programmingbitcoin#291 · Filter by author salmonberry7 opened on Jan 5, 2025

• Chap. 5 p101 : When transaction cache is hit the testnet field of the cached tx is assigned again

  jimmysong/programmingbitcoin#290 · Filter by author salmonberry7 opened on Jan 2, 2025

• Ch. 13 - Unnecessary complexity in parsing and serializing witness data in class Tx

  jimmysong/programmingbitcoin#288 · Filter by author salmonberry7 opened on Nov 18, 2024

• Checking for powers of zero and divide by zero corner cases in FieldElement class in ecc.py

  jimmysong/programmingbitcoin#287 · Filter by author salmonberry7 opened on Oct 30, 2024

• Chapter 6 - p123 - Typo Error

  jimmysong/programmingbitcoin#286 · Filter by author salmonberry7 opened on Oct 29, 2024

• Potential Safety Issue On Script Execution Success Determination

  jimmysong/programmingbitcoin#285 · Filter by author salmonberry7 opened on Oct 28, 2024

• Multiplying two points

  jimmysong/programmingbitcoin#282 · Filter by author Mr-No3ody opened on Mar 22, 2024

• Chapter 4 - checksum should be double hashed?

  jimmysong/programmingbitcoin#277 · Filter by author ArmanTheParman opened on Dec 12, 2023
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• Chapter 5: Varint sidebar example

  jimmysong/programmingbitcoin#271 · Filter by author lux-hux opened on Sep 4, 2023

• op_checkmultisig: Last signature is not verified

  jimmysong/programmingbitcoin#270 · Filter by author koirikivi opened on Aug 4, 2023
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• How to generate P2TR address?

  jimmysong/programmingbitcoin#269 · Filter by author Alpha2J opened on Jul 25, 2023
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• How to setup environment in Google Colab

  jimmysong/programmingbitcoin#268 · Filter by author justiniansmithe opened on Jun 15, 2023
  1

• "virtualenv -p python3 .venv" does not work

  jimmysong/programmingbitcoin#266 · Filter by author ayazayazov opened on May 6, 2023

• Chapter 3, Explanation of why doubling SHA-256 is more secure seems wrongs

  jimmysong/programmingbitcoin#265 · Filter by author mathdufo opened on Apr 18, 2023

• Chapter 3, Exercise 3 self.assertEqual() error

  jimmysong/programmingbitcoin#262 · Filter by author michaelalangill opened on Feb 9, 2023
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• rmul method inside FieldElement Class to be added before completing ex 4 chapter 3

  jimmysong/programmingbitcoin#261 · Filter by author enricobottazzi opened on Nov 13, 2022
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• Openssl removed ripemd160 support. Code using hashlib's 'ripemd160' algorithm may fail.

  jimmysong/programmingbitcoin#255 · Filter by author cmdruid opened on Sep 4, 2022
  4

• Chapter 11: Exercise 6 & 7

  jimmysong/programmingbitcoin#254 · Filter by author vvronskyFX opened on Sep 1, 2022
  2