Socratic Seminar 58
2025-05-01
Housekeeping
- This meetup is generously sponsored by Presidio Bitcoin, Pubkey, and Bitnomial.
- Questions are encouraged, including basic ones!
- Socratic Seminars are held under the Chatham House Rule: share the information you receive, but do not reveal the identity of who said it.
- For the privacy of other attendees, please refrain from taking photographs of other people without their permission.
- Socratic seminars are best when the moderator can let the conversation flow, so try to keep things concrete and focused.
- The reading list covers April 1st to April 28th.
Chain Weather Report
News & Announcements
- ACINQ returns to the US market
- Trump signs bill to nullify expanded IRS crypto broker rule
- Tether to deploy hashrate on OCEAN and use DATUM
- Tether, SoftBank Group, and Jack Mallers Launch Twenty One with Cantor Equity Partners
- US chip designer Auradine raises $153MM in Series C funding
- Bakkt investors file class-action lawsuit after loss of Webull, BoA contracts
- Presidio Bitcoin hosts its first-ever hackathon
Discussion
Tweets, Blogs & Podcasts
- Bitcoin Mining Centralization in 2025
- BitMEX: Heatbiting The Office
- Introducing Coinbase's Open Source MPC Cryptography Library
- Bitcoin Address Poisoning Attacks
- Taplocks - Verifiable but unspendable tapleafs (with an application to emulating new opcodes)
- The 68-bit #Bitcoin puzzle has been cracked
bitcoin-dev
- secp256k1lab: a Python library for prototyping
- SwiftSync - smarter synchronization with hints
- The Tragic Tale of BIP30
- DahLIAS: Discrete Logarithm-Based Interactive Aggregate Signatures
- Relax OP_RETURN standardness restrictions
- UTXO probing attack using payjoin
Delving Bitcoin
- Post Quantum Signatures and Scaling Bitcoin with STARKs
- OP_CHECKCONTRACTVERIFY and its amount semantic
- A simple backup scheme for wallet accounts
- Evolving the Ark protocol using CTV and CSFS
- How CTV+CSFS improves BitVM bridges
- How CSFS+PAIRCOMMIT enables mass delegated introspection
- Cluster mempool partitioning attacks
- Overflow handling in Script
CVEs and Research
Research
- Clementine: A Collateral-Efficient, Trust-Minimized, and Scalable Bitcoin Bridge
- Delbrag
- Defeating AutoLock: From Simulation to Real-World Cache-Timing Exploits against TrustZone
- Thunderbolt: A Formally Verified Protocol for Off-Chain Bitcoin Transfers
- Round-Efficient Adaptively Secure Threshold Signatures with Rewinding
InfoSec
- OpenSSH 10.0 makes the post-quantum ML-KEM hybrid mlkem768x25519-sha256 the default
- Taproot Denial of Service bug
BIPs
- N/A
Noteworthy PRs
Bitcoin Core
- cluster mempool: introduce TxGraph
- Make TxGraph fuzz tests more deterministic
- wallet, rpc: deprecate settxfee and paytxfee
- psbt: MuSig2 Fields
- feefrac: avoid integer overflow in temporary
- feefrac: add support for evaluating at given size
- build: Switch to Qt 6
rust-bitcoin
- Add push_relative_lock_time() and deprecate push_sequence()
- primitives: Make hex optional
- Return ControlBlock from Witness::taproot_control_block