Grokking DelBrag: Out-of-Band On-Chain Fraud Proofs through Circuit Garbling @ Bitcoin++ Austin
Talk version of Delbrag, explaining the protocol, circuit-garbling approach, and the performance implications for BitVM-style fraud proofs.
Jeremy Rubin's Blog
View full archiveA mix of essays, technical notes, and project updates. The main focus is Bitcoin, with additional series like Shenzhen Journey.
Browse by series: Bitcoin or Shenzhen Journey.
Delbrag
Draft proposal for Delbrag, a BitVM improvement that uses garbled circuits to reduce on-chain costs while preserving fraud-proof style verification.
Taproot Denial of Service Bug
TL;DR: Taproot’s sighash implementation could cause blocks to take 60s or more to validate with specially crafted standard transactions. The patch adds a new cache during validation.
Fun with CSFS I
In this blog series, I’ll write up some fun uses for CSFS I’m aware of.
CSFS Re-Keying and Laddering, Deterministic Update Rekeying, & Applications to LN-Symmetry
This is a collab post with Rearden.
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