Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• Nested MuSig2
• Lattice HD Wallets: Post-Quantum BIP32 Hierarchical Deterministic Wallets from Lattice Assumptions
• sqisign
• Binohash: Transaction Introspection Without Softforks
• Bitcoin Under Stress: Measuring Infrastructure Resilience 2014-2025
• On the Effectiveness of Mempool-based Transaction Auditing
• Fix the money, fix the world: bitcoin as techno-libertarian religion
• GPU-Accelerated Bitcoin Key Recovery from Weak Entropy Sources
• Unfaithful Claims: Breaking 6 zkVMs
• Ghana’s Gold Curse and Extractive Mechanisms in Neocolonialism
• Bitcoin PIPEs v2
• WOTS-Tree: Merkle-Optimized Winternitz Signatures for Post-Quantum Bitcoin
• How To Make Delegated Payments on Bitcoin: A Question for the AI Agentic Future
• Taler as a synthetic Central Bank Digital Currency
• Proof of work: what Bitcoin mining really does

Network Data

• Recent OP_RETURN output statistics

Local/Legal

• FAZ: Milliarden-Steuerprivileg für den Bitcoin
• South Korea: National Tax Service Coins Stolen Twice After Mnemonic Code Leak
• Polis closes

Miscellaneous

• Proposal: Consensus rule to recover 79,956 BTC stolen from MtGox
• Knots Lies
• Knots bug
• Bitcoin Core Github Stats
• Proof of work: what Bitcoin mining really does
• Hierarchical determinism: how Bitcoin’s HD wallets are born
• Brink Fuzzing Infra Dashboard
• Sigbash v2
• First BIP54 block
• Mastering Taproot
• Programming Lightning
• River Bitcoin Adoption 2026
• Mitigating The Impact Of The Quantum Freeze
• L402Apps
• South Korean crypto exchange races to recover $40bn of bitcoin sent to customers by mistake
• Open-Source Agents Need to Get Serious About Payments
• Alby Bitcoin Payments Agent Skill
• Lightning Agent Tools
• SatsAPI

Mailing Lists

bitcoin-dev

• BIP-352: Limiting the number of per-group recipients (K_max)
• BIP Draft: 24 bits for nVersion nonce space instead of 16
• Algorithm Agility for Bitcoin to maintain security in the face of quantum and classic breaks in the signature algorithms
• The limitations of cryptographic agility in Bitcoin

Delving Bitcoin

• Writing Fuzz Targets for Wallets: Avoiding Known Issues
• Introducing UltrafastSecp256k1: A Multi-Architecture Exploration of Secp256k1 Optimizations
• The future of the Bitcoin Core GUI

Pull requests

BIPs, BOLTs and Proposals

• BIP442: OP_PAIRCOMMIT #1699
• BIP128: Timelock-Recovery Storage Format #2068
• BIP 360 - Pay to Merkle Root (P2MR) #1670
• BIP 89: Chain Code Delegation for Private Collaborative Custody #2004

Bitcoin Core

• Add a “tx output spender” index #24539
• build: Embedded ASMap: Build binary dump header file #28792
• rpc,net: Add private broadcast RPCs #34329
• mining: Break compatibility with existing IPC mining clients #34568
• Cluster mempool: SFL cost model (take 2) #34616

LND

• payments: SQL backend implementation series#10604

Core Lightning

• No more legacy onion support #8772
• Prioritize private channels when relaying payments #3248

Eclair

• Plugin validation of interactive transactions #3258

BDK/rust-bitcoin & LDK/rust-lightning

• Support payments for less than the total MPP value #4373
• Add spent/created_txouts to SPK and Keychain TxOut indexes #2081
• Prevent HTLC double-forwards, prune forwarded onions #4303
• Default to anchors and remove automatic channel acceptance #4354

Others

• HWI: psbt: add MuSig2 fields #784

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• Argo MAC: Garbling with Elliptic Curve MACs
• Ideal group
• Hardware-Friendly Robust Threshold ECDSA in an Asymmetric Model
• BABE: Verifying Proofs on Bitcoin Made 1000x Cheaper
• Curls, caves, and shadows: how cryptocurrencies thrive in (poly)crisis
• Dakar: A CoinJoin forensic software
• OptiBridge: A Trustless, Cost-Efficient Bridge Between the Lightning Network and Ethereum
• CVE-2026-0915: GNU C Library Fixes A Security Issue Present Since 1996

Network Data

• Ongoing Attack on I2P Network Causing Degraded Performance
• State of Iran Blackout

Local/Legal

• Tagesschau: Erfüllt Bitpanda die Vorgaben der Finanzaufsicht?
• How “Bitcoin Jesus” Avoided Prison, Thanks to One of the “Friends of Trump”

Miscellaneous

• Spirals Flint AI Vibe code comunity
• FIBRE Network resurrection
• BTrust BitDevs Playbook
• OpenSats Year In Review
• Bitcoin PIPEs v2: Covenants and ZKPs on Bitcoin via Witness Encryption
• NXP SE050 Hardware Bitcoin Wallet
• Bitcoin in Epstein emails
• Orange Dev Tracker
• Kompaktor
• Windfish
• SSB Playground
• Magnolia DLC Oracle
• hArk
• Taproot Quantum Spend Paths
• Citrea Mainnet Launch
• Janusz L2 Reviews
• Amigo
• 39C3 - To sign or not to sign: Practical vulnerabilities in GPG & friends

Mailing Lists

bitcoin-dev

• Falcon Post-Quantum Signature Scheme Proposal

Delving Bitcoin

• Incremental mutation testing in the Bitcoin Core
• A Mathematical Theory of Payment Channel Networks
• Hornet UTXO(1): A custom, constant-time, highly parallel UTXO database
• SHRINCS: 324-byte stateful post-quantum signatures with static backups
• Bitcoin Lightning Wallets as Abstracted Accounts in EVM Protocols
• BIP 119 CTV activation client

Pull requests

BIPs, BOLTs and Proposals

• BIP 434: Peer Feature Negotiation#2076
• BIP 433: Add P2A BIP#1982
• BIP 110
• BIP 110 UASF
• BIP110 Nodes

Bitcoin Core

• drop my key from trusted-keys#34517
• Package Relay Project Tracking
• RFC: Erlay Conceptual Discussion #34542
• Broadcast own transactions only via short-lived Tor or I2P connections
• p2p: Allow block downloads from peers without snapshot block after assumeutxo validation
• kernel: Add block header support and validation

LND

• rpcserver: use protocol max for fundMax, not maxChanSize#10488
• multi: update close logic to handle re-orgs of depth n-1, where n is num confs - add min conf floor#10331

Core Lightning

• askrene: add auto.include_fees layer#8824

Eclair

• Add event for failed payment relay#3244

BDK/rust-bitcoin & LDK/rust-lightning

• primitives: reject transaction with duplicate inputs#5402
• Add median-time-past (MTP) calculation to CheckPoint#2037
• primitives: reject txs with output sum > MAX_MONEY#5443
• primitives: reject transactions with 0 outputs#5470

Others

• Silent Payments module: discussion about different scanning approaches (BIP, LabelSet, hybrid) #1799

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• Bitmex: 64 byte transactions
• Making Bitcoin Speak Human
• Dissertation: Kryptografisches Vermögen und der Erbfall
• Geolocated Lightning Network topology snapshots: A dataset covering 2019–2023
• Improved Semi-Free-Start Collision Attacks on RIPEMD-160
• How And Why We Hacked Cypherock Hardware Wallet: The Full Story
• Blockstream Jade Security Disclosure
• Sabotaging Bitcoin
• Bitcoin Security
• Toward Thermodynamic Reservoir Computing: Exploring SHA-256 ASICs as Potential Physical Substrates
• Efficient Bitcoin Meta-Protocol Transaction and Data Discovery Through nLockTime Field Repurposing
• Determining Blockchain Transaction Timing and Fee with Observable Mempools
• Bitcoin-IPC: Scaling Bitcoin with a Network of Proof-of-Stake Subnets
• Wallet Migration Failure May Delete Unrelated Wallet Files In Bitcoin Core 30.0 and 30.1

Network Data

• Lopp 2025 Bitcoin Statistics
• 2025 Bitcoin Node Performance Tests

Local/Legal

• Krypto-Gewinne werden ab heute automatisch erfasst: Das erfahren die Finanzämter

Miscellaneous

• OpenSats canary
• Bitmap minter
• 8M investment in Speedwallet
• Bitcoin Design Impact Initiatives 2026
• Making Bitcoin speak human
• Signingroom: Stateless Bitcoin multisig coordination layer
• Optech Year-in-Review
• Bindex
• Small-Time Crypto Investors Are Facing Violent Attacks
• Fuzzamoto: Introduction
• Distributed Charge - EV Now Available For Public Testing
• 64-byte Transactions
• Fedi goes open source
• Take the Money and Run (OneCoin TV show)

Mailing Lists

bitcoin-dev

• Peer Feature Negotiation
• Follow-up regarding Motion to Activate BIP 3

Delving Bitcoin

• Understanding and Mitigating a OP_CTV Footgun: The Unsatisfiable UTXO
• OP_CC: A simple introspection opcode to enable cheaper consolidations
• Modifying BIP54 to Support Future nTime Soft Fork
• Ark as a Channel Factory: Compressed Liquidity Management for Improved Payment Feasibility
• Vanadium: A Virtualized Secure Enclave for Hardware Signing Devices
• Building a vault using blinded co-signers

Pull requests

Bitcoin Core

• Add sedited to trusted-keys #34236
• Wallet migration bug
• Bitcoin Core 30.2 release
• wallet: fix unnamed legacy wallet migration failure #34156
• wallettool: fix unnamed createfromdump failure walletsdir deletion #34215
• Replace cluster linearization algorithm with SFL #32545
• rest: allow reading partial block data from storage #33657

LND

• multi: add BuildOnion, SendOnion, and TrackOnion RPCs #9489

Core Lightning

• xpay: payment description #8784

Eclair

• Accountable HTLCs #3217

BDK/rust-bitcoin & LDK/rust-lightning

• feat: Address::p2a #5379

Others

• BTCPayServer: Subscription API #7022

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• An Independent Security Audit of Bitcoin Core
• Hash-based Signature Schemes for Bitcoin
• Golden: Lightweight Non-Interactive Distributed Key Generation
• Payment-failure times for random Lightning paths
• When Can You Trust Bitcoin? Value-Dependent Block Confirmation to Determine Transaction Finality
• The Time to Consensus in a Blockchain: Insights into Bitcoin’s “6 Blocks Rule”
• Multiple Sides of 36 Coins: Measuring Peer-to-Peer Infrastructure Across Cryptocurrencies
• Incentive Attacks in BTC: Short-Term Revenue Changes and Long-Term Efficiencies
• A spatial analysis of the use of Bitcoin as a medium of exchange
• Bitcoin Hashrate Dynamics: Price, Revenue Correction, and Evolution - A Time-Varying Parameter SVAR Stochastic Volatility Analysis
• Masterthesis: Strategische Nutzung von Bitcoin Mining in Unternehmen
• Shai Hulud Launches Second Supply-Chain Attack

Network Data

• Many connections to bitproject.io nodes?
• >60% spy-peers connected to freshly setup node

Local/Legal

• Bitcoin und Nostr als Werkzeuge des demokratischen Widerstands
• Berlin Manifesto of the World Liberty Congress
• Bericht Libertarismus/extreme Rechte mit Roman Reher, Joana Cotar, Marc Friedrich
• KYC: Volle Verifizierung bei Pocket
• Berlin Bitcoin Mining meetup Thursday, December 11
• Wirecard Scandal: Fresh Leads Point to a Gambling Kingpin
• BTC is money
• Petition to pardon Samourai Wallet devs (case background)

Miscellaneous

• Project 11
• Quantum Doomsday Clock
• RawBit Tool
• Penlock
• Mempal Android App
• Miniscript Studio
• BOSS Challenge: Applications open
• BNOC Forum
• Bitcoin Core Roadmap question
• Keymeld
• Ordiknots

Mailing Lists

bitcoin-dev

• Motion to Activate BIP 3
• Benchmarking Bitcoin Script Evaluation for the Varops Budget (GSR)

Delving Bitcoin

• Consensus bug on NBitcoin: out-of-bound issue in Remove()
• Propagation Delay and Mining Centralization: Modeling Stale Rates
• Disclosure: Critical vulnerabilities fixed in LND 0.19.0

Pull requests

Bitcoin Core

• Cluster mempool #33629
• init: completely remove -maxorphantx option #33872
• chainparams: remove dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us #33723

LND

• multi: add upfront-shutdown-address to lnd.conf. #9432

Core Lightning

• Fix the long-elusive “sometimes we miss utxo spends” bug. #8735
• Add Experimental no-MPP, Lsp-Trusts-Client LSPS2 Support #8569
• hsmd: fix HSM sent an unknown message type error #8728

Eclair

• Fix reconnection to clearnet addresses via Tor #3054

BDK/rust-bitcoin & LDK/rust-lightning

• Add support for Testnet4 #4148
• feat(chain): add new list_ordered_canonical_txs method #2027
• Enforce Trampoline Constraints (replacement) #4226

Others

• Electrum protocol 1.6: minimal update to get broadcast_package out
• Monetization #6986

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• Beholder Signatures
• BATTLE for Bitcoin: Capital-Efficient Optimistic Bridges with Large Committees
• Assessing the Impact of Post-Quantum Digital Signature Algorithms on Blockchains
• Hard forks, hard questions: Unraveling the microstructure effects on Bitcoin’s return, volume, and volatility
• Analysis of Input-Output Mappings in Coinjoin Transactions with Arbitrary Values
• Cross-chain Lightning Trades: Getting the Advantages of a Custodial Exchange while Keeping Your Assets
• B-SSL: Bitocin Secure Signing Layer
• Is Your Bluetooth Chip Leaking Secrets via RF Signals?
• Bitcoin Research day
• OTS-PC: OTS-based Payment Channels for the Lightning Network
• TEE.fail

Network Data

• Bitnod.es
• Gossip Observer

Europe/Germany/Berlin

• Gesetz zur Umsetzung der Richtlinie (EU) 2023/2226
• Berlin Freedom Week
• SPD Seeheimer Kreis wants to abolish 1-year tax free regulation
• AFD-Antrag im Bundestag: Strategisches Potenzial von Bitcoin erkennen

Miscellaneous

• New Trezor Safe 7 with TROPIC01, Bluetooth, bigger screen, battery
• TROPIC01 repository
• Tether donates USD250k to OpenSats for operations
• Bitcoin for Signal initiative
• Lightspark Grid API
• Tether WDK
• $15 billion seized by US originates from Iran/China bitcoin miner “theft”
• HRF grant
• LNHANCE Website
• CoreDev Transcripts October 2025
• NUT NOVEMBER A month-long hackathon for Cashu builders
• Lawyers call Bitcoin Core v30 CSAM concerns ‘overblown’
• Arké MacOS prototype
• Arkade.money
• The State of Bitcoin Mining in Russia
• papa-swap
• https://www.therage.co/keonne-rodriguez-samourai-sentenced/

Mailing Lists

bitcoin-dev

• Public disclosure of 4 Bitcoin Core security advisories
• OP_CIV - Post-Quantum Signature Aggregation

Delving Bitcoin

• Comparing the performance of ECDSA signature validation in OpenSSL vs. libsecp256k1 over the last decade
• OP_STARK_VERIFY - Native STARK Proof Verification in Bitcoin Script
• Determining BlockTemplate Fee Increase Using Fee Rate Diagram

Pull requests

BIPs, BOLTs and Proposals

• BIP-444: Reduced Data Temporary Softfork
• BIP-444 Airdrop
• BIP???: Chain Code Delegation for Private Collaborative Custody

Bitcoin Core

• wallet: Be able to receive and spend inputs involving MuSig2 aggregate keys #29675
• kernel: Introduce C header API #30595
• cluster mempool: control/optimize TxGraph memory usage #33157
• Fix tiebreak when loading blocks from disk (and add tests for comparing chain ties) #29640

LND

• Basic structures for onion messages into LND #9868

Core Lightning

• BOLT12 recurrence spec update #8398
• Giant tx fix #8639
• Fix injectpayonion/sendonion crash on malformed onion reply from direct peer. #8597

Eclair/Phoenix

• New Phoenix with Taproot
• Remove support for non-anchor channels #3173
• Fix race in PeerManager read pausing. #4168

BDK/rust-bitcoin & LDK/rust-lightning

• bitcoin: refuse to compute block and witness merkle roots which would be ambiguous #5116

Others

• BTCPayServer: Subscription #6922
• Sep256k1: Introduce (mini) unit test framework #1734

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• WISCH: Efficient data signing via correlated signatures
• An empirical evaluation of fuzz targets using mutation testing
• Bitcoin reimagined: A comprehensive study of ordinals and inscriptions protocols for Web3 asset innovation
• BitPriv: A Privacy-Preserving Protocol for DeFi Applications on Bitcoin
• Bitcoin Worlds
• Eclair: Preimage Extraction Exploit
• Optimal Threshold Signatures in Bitcoin
• Hornet Node and the Hornet DSL
• Comparative Analysis of Bitcoin Regulation in Latin American Countries
• Quantitative Analysis of Centralization in the Bitcoin Lightning Network Through Centrality Metrics

Network Data

• Stratum.work new analysis panel
• Ordinals – Impact On Node Runners

Europe/Germany/Berlin

• 3. BitcoinForum Volksbank Raiffeisenbank Bayern Mitte eG with BitDevs

Miscellaneous

• It’s Knot a Serious Project
• All For One & One For All
• A Knotty Irony
• LEAKED: Luke Dashjr Plans Hardfork To “Save Bitcoin”
• OpenTimestamps and Knots/OCEAN
• Why Bitcoiners should support covenant soft forks
• time2build Breetz virtual Hackathon
• PayPal to support Ethereum and Bitcoin
• Localhost Transparency report
• ElectrumZ: Minimalistic Electrum server implementation
• Frigate Electrum Server
• OpenSats: Fourteenth Wave of Bitcoin Grants
• Advancements in Ecash
• State of Rootstock Q2 2025
• Ark and Spark are Channel Factories
• My review of the proposed C header for the Bitcoin Core Kernel API

Mailing Lists

bitcoin-dev

• A Bitcoin Scripting Proposal BIP Quartet

Delving Bitcoin

• Provable Cryptography for Bitcoin: An Introduction (Workbook)
• MultiChannel and MultiPTLC: Towards A Global High-Availability Consistent/Partition-Tolerant Database For Bitcoin Payments
• Measuring minrelaytxfee across the Bitcoin network

Pull requests

Bitcoin Core

• v30 Release Testing Guide
• docs: Undeprecate datacarrier and datacarriersize configuration options #33453
• Experimental branch with p2p as separate binary
• rpc: fix getblock(header) returns target for tip #33446
• p2p: Increase tx relay rate #28592
• wallet: Identify transactions spending 0-value outputs, and add tests for anchor outputs in a wallet #33268

LND

• Add XFindBaseLocalChanAlias RPC #10133
• Add Support for P2TR Fallback Addresses in BOLT-11 #9975

Eclair

• Use balance estimates from past payments in path-finding #2308
• Remove PaymentWeightRatios from the routing config #3171
• Allow overriding max-closing-feerate with forceclose API #3142

BDK/rust-bitcoin & LDK/rust-lightning

• Support client_trusts_lsp on LSPS2 #3838
• CanonicalView #2029
• Async send: sender-side #4046
• Async send always-online counterparty side #4045
• Always-online node forward invoice request #4049

Others

• Sparrow v2.3 with Silent Payments

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• A Plausible Attack on the Adaptive Security of Threshold Schnorr Signatures
• The future of banking with bitcoin
• Glock: Garbled Locks for Bitcoin
• 783 BTC stolen via social engineering
• Unstoppable JPGs In Private Keys
• Boosting Payment Channel Network Liquidity with Topology Optimization and Transaction Selection
• Factors Influencing Knowledge of the Bitcoin Blockchain Among Canadian Adults
• How Bitcoin’s ups and downs are changing the way you bet
• Path Planning at the Edge of Payment Channel Networks
• Bitcoin Core Code: C++, some Python and a Custom Build System
• Infiltrated Selfish Mining: Think Win-Win to Escape Dilemmas
• Not in The Prophecies: Practical Attacks on Nostr
• Anatomy of a Billion-Download NPM Supply-Chain Attack

Network Data

• Antoine: Misbehaving nodes
• Sankey Merkle Branches Visualization

Miscellaneous

• SamRock Protocol: Connecting Wallets to Invoicing Systems
• Routstr, a Decentralised LLM Routing Marketplace
• Google Playstore vs. Non-custodial wallets
• 5 Years of Bitcoin Design
• 3 Years of Vinteum
• Pubky
• Blockfilter Desing Guide
• Privacy needs to be baked into L1
• On the privacy of shielded L2s
• Ledger offers MEV protection tool

Mailing Lists

Delving Bitcoin

• The state of Bitcoinfuzz
• Eclipsing Bitcoin Nodes with BGP Interception Attacks
• Sharing block templates
• Delving Simplicity Series

Pull requests

BIPs, BOLTs and Proposals

• Elliptic Curve Operations for Bitcoin Script
• OP_TWEAKADD
• Bitcoin Encrypted Backup

Bitcoin Core

• index: Fix coinstats overflow #30469
• Add bitcoin-{node,gui} to release binaries for IPC #31802
• net, validation: don’t punish peers for consensus-invalid txs #33050
• policy: lower the default blockmintxfee, incrementalrelayfee, minrelaytxfee #33106
• kernel: create monolithic kernel static library #33077
• Introduce per-txin sighash midstate cache for legacy/p2sh/segwitv0 scripts #32473
• wallet, rpc: add v3 transaction creation and wallet support #32896

LND

• discovery+lnwire: add support for DNS host name in NodeAnnouncement msg #9455

Core Lightning

• xpay BIP353 support #8467

Eclair

• Simple taproot channels #3103

BDK/rust-bitcoin & LDK/rust-lightning

• Add splice-out support #3979

Others

• Fix CI #795

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• RGB v0.12 consensus release
• Bitmex: Bitcoin Versus The IMF
• Wrapless: The trustless lending protocol on top of Bitcoin
• BIP: Post Quantum Migration and Legacy Signature Sunset
• Glock: A new standard for verification on Bitcoin
• BitVM 3s – Garbled Circuits for Efficient Computation on Bitcoin
• DARI report: Bring Only What You Can Carry
• The Post-Quantum Security of Bitcoin’s Taproot as a Commitment Scheme
• Evaluating usage of the Whirlpool Bitcoin privacy protocol
• How Good Are The Widely Used Coinjoin Implementations?

Network Data

• What Network Activity Says About Changing Face of Bitcoin Users

Europe/Germany/Berlin

• Admin entwendet Kryptowährung in Millionenwert und bleibt vor Gericht straflos
• Bitcoin ATMs in Berlin außer Betrieb
• GosuPay UG: Freiheit auf Knopfdruck: Wie ein Berliner Startup mit Bitcoin neue Wege im Zahlungsverkehr geht

Miscellaneous

• How secure is your Bitcoin wallet’s mnemonic seed phrase?
• Current state of sub 1 sat/vbyte summer
• Block: Policies to Unlock Bitcoin as Everyday Money
• Payjoin Foundation announcement
• Simplicity launch
• SimplicityHL
• LaBitBu
• Kyoto - New light client
• Samourai Wallet Developers Plead Guilty to Conspiring to Operate an Unlicensed Money Transmitting Business
• Tornado Cash Trial Concludes: Roman Storm Found Guilty on One of Three Counts
• Adios, Expiry: Rethinking Liveness and Liquidity in Arkade
• PkgZap
• Qubic Overtakes Monero’s Hash Rate in Live “51% Takeover Demo”

Mailing Lists

bitcoin-dev

• Utreexo BIPs
• A Taproot-native (re-)bindable transaction bundle proposal

Delving Bitcoin

• Disclosure: LND gossip_timestamp_filter DoS
• Sharing block templates
• Changing the minimum relay feerate
• Chain Code Delegation: Private Access Control for Bitcoin Keys

Pull requests

Bitcoin Core

• policy: make pathological transactions packed with legacy sigops non-standard #32521
• p2p: improve TxOrphanage denial of service bounds #31829
• descriptors: MuSig2 #31244
• log: Mitigate disk filling attacks by rate limiting LogPrintf, LogInfo, LogWarning, LogError #32604
• cluster mempool: add TxGraph reorg functionality #31553

LND

• Add deletecanceledinvoice RPC call #9625

Core Lightning

• logs: A basic javascript log viewer #7725

Eclair

• Endorse htlc and local reputation #2716

BDK/rust-bitcoin & LDK/rust-lightning

• Static invoice server #3628
• LSPS5 implementation #3662
• Add Shared Input support in interactive TX construction #3842

Others

• BTCPayServer LSP Plugin

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Security/CVEs/InfoSec/Research

• Overview over recent BitVM developments: BitVM1, BitVM2, Garbled Circuits etc.
• Bridging Bitcoin to Second Layers via BitVM2
• BitVM3
• Union Bridge:A Trust-minimized Bridge for Rootstock using BitVMX
• Spiral Blog: The Scroll #4: Intersection Attacks on CoinJoin Anonymity
• How Stratum V2 Increases Mining Profitability
• The Rich Get Richer in Bitcoin Mining - Induced by Blockchain Forks
• Monero’s Decentralized P2P Exchanges: Functionality, Adoption, and Privacy Risks

Network Data

• Notes on ‘DoS due to inv-to-send sets growing too large’ from May 2023

Europe/Germany/Berlin

• Arbeitslohn in Bitcoin
• Sparkassen ermöglichen Privatkunden Bitcoin-Handel
• Deutsche Bank will Privat- und Firmenkunden Handel und Verwahrung von Bitcoin anbieten

Miscellaneous

• Another explanation of how Ark works
• Augur: An Open Source Bitcoin Fee Estimation Library
• Frostsnap open to pre-orders
• AnchorWatch Inheritance protocol
• Eric Voskuil on Bitcoin Core’s UTXO Model
• Announcement: new Zerolink coinjoin coordinator
• New ashigaru whirlpool coordinator can de-anonymize users
• Bitmain working on decentralized mining!?
• First mobile wallets using Spark (statechains) are live: BlitzWallet and Wallet of Satoshi
• A practical example how CTV+CSFS enables Eltoo/Lnsymmetry channels
• Running bitcoin - From Core to Code - A Comparison of Clients

Mailing Lists

bitcoin-dev

• The case for privatizing Bitcoin Core

Delving Bitcoin

• Reimagining Onion Messages as an Overlay Layer
• Where does the 33.33% threshold for selfish mining come from?
• CTV vault output descriptor
• JIT fees with TXHASH: comparing options for sponsorring and stacking
• Fingerprinting nodes via addr requests

Pull requests

Bitcoin Core

• Add checkBlock() to Mining interface #31981

LND

• peer+feature: start to signal the prod rbf coop close bit #9858

Eclair

• Prepare attribution data for trampoline payments #3109
• Parse offers and pay offers with currency #3101

BDK/rust-bitcoin & LDK/rust-lightning

• Channel Establishment for V3 Channels #3792
• Revert attribution of failures #3817

Others

• feat(wallet): enhance Coin Selection with advanced filters and improved UX #6755

Thanks to Ordimint for sponsoring food and drinks for this meetup!

Presentation: StratumV2 and DMND (General Kenobi, DMND/SV2)

• StratumV2 protocol
• Demand Pool
• Understanding SLICE (PPLNS+JD)
• PPLNS with Job Declaration
• SLICE: Making PPLNS Work for Demand Response

Security/CVEs/InfoSec/Research

• Coinbase Security incient SEC filling
• Mempool Space Research: UTXO set report
• Bitmex research: The 2025 spam attacks
• River: The American Bitcoin Advantage
• MnemonicMaker: A Serious Game for Reconstructing Bitcoin Wallet Mnemonic Phrases
• Cryptology with Bitcoin and Blockchain Applications
• Block Number-Based Address Clustering for Bitcoin Taproot Upgrade
• Fully-Threshold Hierarchical Deterministic Wallets in Bitcoin
• Bitcoin and Quantum Computing: Current Status and Future Directions
• Warum Bitcoin nicht umweltfreundlicher wird
• KeyJoin: Privacy-Focused CoinJoin Protocol for Bitcoin
• The Hop-Return Protocol: Introducing Non-Standard Tokens (NST)
• TOOP: A transfer of ownership protocol over Bitcoin
• Round-Efficient Adaptively Secure Threshold Signatures with Rewinding
• Enforcing arbitrary constraints on Bitcoin transactions

Network Data

• c= routing node is earning 9.7% APR
• Non-Standard Bitcoin Transaction Dataset
• Removal of minimum relay fee

Europe/Germany/Berlin

• Volksbanken enable BTC buy/sell for their 30 million clients

Miscellaneous

• Bounty for Bitcoin Brainrot wallet for GenZ
• Maelstrom funding for benalleng/Payjoin
• ArkadeOS
• Quantum Bitcoin Summit
• Bitcoin Payments on Square
• Bitlayer Joins Forces With Antpool, F2Pool, and SpiderPool to Supercharge Bitcoin DeFi
• The Bitcoin Mempool: Private Mempools
• Open letter for CTV+CSFS
• Save Our Wallets

Mailing Lists

bitcoin-dev

• Pre-emptive commit/reveal for quantum-safe migration (poison-pill)
• Censorship Resistant Transaction Relay - Taking out the garbage(man)

Delving Bitcoin

• Latency and Privacy in Lightning
• Non-confiscatory Transaction Weight Limit
• Dust Expiry: Clean the UTXO set from spam
• Witnessless Sync for Pruned Nodes

Pull requests

BIPs, BOLTs and Proposals

• BIP 77: Async Payjoin #1483
• BIP 443: OP_CHECKCONTRACTVERIFY #1793
• BIP 53: Disallow 64-byte transactions #1760
• BIP172: Define Bitcoin Subunits as Satoshis #1841
• BIP177: Redefine Bitcoin’s Base Unit #1821

Bitcoin Core

• policy: uncap datacarrier by default #32406
• Bitcoin Core development and transaction relay policy
• CVE-2024-52919 - Remote crash due to addr message spam (part 2)
• bitcoind 29.0 much slower than 28.0 on my system #32455
• miner: timelock the coinbase to the mined block’s height #32155
• cluster mempool: add txgraph diagrams/mining/eviction #31444
• psbt: add non-default sighash types to PSBTs and unify sighash type match checking #31622
• multiprocess: Add bitcoin wrapper executable #31375

Core Lightning

• Peer storage enable #8140
• Splice: Interop Final (probably) with Eclair #8021
• Signmessage #8226

Eclair

• Attributable failures #3065

Others

• NBitcoin Crash Bug