The Curious Engineer

All blogs / Crypto / fintech

Peter Todd

petertodd.org

Crypto / fintechSecurity

Posts
52 from 19 Nov 2013 to 7 Aug 2026
Posting
now and then (1 in the last year)
Kind
personal blog
Feed
https://petertodd.org/feed.xml

2026 1

  1. BIP-110 Code Review

2025 3

  1. OpenTimestamps and Knots/OCEAN
  2. How Good Are The Widely Used Coinjoin Implementations?
  3. Fake Channels Are Real: Why Client-Side-Validated Lightning Is Easier Than You Think

2024 4

  1. Keeping it Cool: Mining Bitcoin in Space
  2. Soft-Fork/Covenant Dependent Layer 2 Review
  3. Over Half of Replace-by-Fee-Rate Replacements Are Mined
  4. One-Shot Replace-by-Fee-Rate

2023 6

  1. V3 Transactions Review
  2. V3 Transactions Are Still Vulnerable To Transaction Pinning
  3. Drivechains: A Detailed Analysis
  4. Full-RBF testing: ≥31% of hash power, ≥4 pools, are mining full-RBF
  5. Why You Should Run Full-RBF On Your Node
  6. Why Full-RBF Makes DoS Attacks on Multiparty Protocols Significantly More Expensive

2022 2

  1. At Least 17% of Bitcoin Core v24.x Nodes Are Running Full-RBF
  2. Surprisingly, Tail Emission Is Not Inflationary

2021 1

  1. Stamp/Beacon Trees for Secure, Precise, Trusted Timestamping and Clock Synchronization

2017 7

  1. Scalable Semi-Trustless Asset Transfer via Single-Use-Seals and Proof-of-Publication
  2. Bitcoin Mining in Space Isn't Practical Yet, But It Is Hard Sci-Fi
  3. The Misleading and Inaccurate Claims Made to Tierion ICO Investors
  4. What you need to know about the Tierion Network Token / Chainpoint ICO
  5. SHA1 Is Broken, But It's Still Good Enough for OpenTimestamps
  6. How OpenTimestamps 'Carbon Dated' (almost) The Entire Internet With One Bitcoin Transaction
  7. notary attestations

2016 22

  1. Preventing Consensus Fraud with Commitments and Single-Use-Seals
  2. Cypherpunk Desert Bus: My Role In The 2016 Zcash Trusted Setup Ceremony
  3. Defensive Patent License Offer
  4. Solving the PGP Revocation Problem with OpenTimestamps for Git Commits
  5. Do Multiple Implementations Make Ethereum More Reliable?
  6. Progress On Hardfork Proposals Following The Segwit Blocksize Increase
  7. Block Publication Incentives For Miners
  8. Segwit Code Review Update
  9. Code Review: The Consensus Critical Parts of Segwit
  10. The Ethereum DAO Bailout Needs A Coin Vote
  11. Closed Seal Sets and Truth Lists for Better Privacy and Censorship Resistance
  12. Building Blocks of the State Machine Approach to Consensus
  13. Talks: BlockchainLab.it Dex/Proofchains, Bitcoin Arnhem, and Bitcoin Dev Workshop
  14. Dev Update: CoreDev Zurich meetup
  15. Making UTXO Set Growth Irrelevant With Low-Latency Delayed TXO Commitments
  16. Dev Report - Chain Anchor, Satoshi Drama, and GitHub
  17. MIT ChainAnchor - Bribing Miners to Regulate Bitcoin
  18. Consensus Critical Voting Considerations
  19. BTCC Funding, Development Report, and Hard-Forks
  20. Are Wallets Ready For Opt-In Replace-by-Fee?
  21. Forced Soft Forks
  22. Soft Forks Are Safer Than Hard Forks

2015 2

  1. Why Scaling Bitcoin With Sharding Is Very Hard
  2. What the CoinWallet.eu tx-flood stress-test means for you and how to deal with it

2014 3

  1. Setting the record straight on Proof-of-Publication
  2. Push-Button Random Number Generator
  3. Tree Chains Preliminary Summary

2013 1

  1. Disentangling Crypto-Coin Mining: Timestamping, Proof-of-Publication, and Validation