Seminario Socrático #6

Agenda

18:30hs Previa
19:00hs Seminario Socrático donde revisamos múltiples temas relacionados con Bitcoin
20:00hs Cierre

Ubicación

El evento se organiza dentro del espacio de Bitcoin School Argentina:

Bv. Chacabuco 625
1º piso, Salón Principal
Córdoba, Argentina X5000

Map

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Bienvenidos a nuestro Seminario Socrático! Un especial agradecimiento a nuestros sponsors: Bitcoin School Argentina por el espacio y a B4OS por las bebidas y el soporte técnico.

Recordatorios

• No se permiten fotografías, vídeos o grabaciones de audio
• Nos adherimos a "the Chatham House Rule"

Bajo estas reglas, cualquier participante del encuentro es libre de usar la informacion adquirida en la discusión, pero no esta permitido revelar quien hizo ningun comentario en particular. El objetivo es incrementar la apertura del debate.

• Deja el espacio del encuentro tan limpio como lo encontraste.
• Sugiere temas para el siguiente Seminario Socrático! ¿Dónde encontrar temas para futuros seminarios?

Oportunidades educativas o laborales

• Bitcoiner Jobs
• Summer of Bitcoin
• B4OS
• Chaincode Labs: Bitcoin and Lightning Protocol Development Education

Estadísticas de la Red

• mempool.space
• clarkmoody.com
• utxo.live
• bitcointreasuries.net

Temas seleccionados

• Relay Policy

Lecturas de este mes

Política de transmisión (OP_RETURN)

• 1st PR #32359 (Bitcoin Core)
• PR Review by Ava Chow
• @OrangeSurfBTC provides context for Peter Todd's OP_RETURN change on 𝕏
• 2nd PR #32406
• bitcoin-dev: Relax OP_RETURN standardness restrictions
• Delving Bitcoin: Addressing community concerns and objections
• @glozow: x post
• @SuperTestnet: x post

Recursos:

• Bitcoin Ops Blog: internal mempool policy
• Definición de OP_RETURN (Bitcoin Magazine Glossary)
• An excellent example of the process of Rough Consensus
• Why would anyone use op_return over inscriptions aside from fees?

Historia:

• Bitmex (2022): "DApps or Only Bitcoin Transactions?"

Posturas contra los filtros:

• Lopp: A Treatise on Bitcoin Block Space Economics
• Pieter Wuille
• spiral: The MEVil of Relay Policy
• instagibbs: non-binding statement
  • instagibbs: mempool internal policy
• gmaxwell
• benthecarman: saving the mempool
• Antoine Poinsot: Relay Policy Drama
  • Antoine Poinsot intervention in mailing list

Posturas pro filtros:

• Jason Hughes: propuesta pro Knots
• Chris Guida: opening statement btc++ debate
• Bitcoin Mechanic: btc++ talk

Visualizaciones:

• Cumulative OP_RETURN Output Values
• Mining centralization vectors
• Brc-20 in op_return
• F2Pool quietly dropped their minimum relay fee

Medios:

• "OP_RETURN limits: Bitcoin’s battle over arbitrary data" (Bitcoin Magazine)

Software & Protocolos:

• LibreRelay
  • Standard Unstructured Annex
• Hop-Return, new op_return based metaprotocol
• Private Mempool services
• Clementine Paper
• BriberBroder
• SLIPSTREAM (mara.com)
• Tx-Pigeon
• BTC Knots: add support for lua based tx-filter
• OP_RETURN Bot on X
• Garbageman:
  • cguida +1
  • instagibbs -1
  • peter todd -1

Estadísticas:

• Non standard txs mined since last halving
• What's the largest size OP_RETURN payload ever created?
• Largest OP_RETURN ever
• Cost of sending large op_returns with filters
• Node count: luke.dashjr.org
• %2.75 node reachability increase
• Costs of circumventing filters
• @sr_gi: Knots vs Core
• @freeonlineuser: Knots vs Core
• OP_RETURN numbers up to May 13th

Ejemplos de datos arbitrarios ("no monetarios"):

• OP_RETURN (1)
• OP_RETURN (2)
• OP_RETURN (3)
• Taproot control block (4KiB)
• Someone inscribed this 3.7MB bitcoin music track via slipstream
• MARA does it again
• First mainnet use of the Taproot Annex
  • a second jpeg has hit the annex

Investigaciones revisada por pares:

• DahLIAS: Discrete Logarithm-Based Interactive Aggregate Signatures
  • @n1ckler: announcement
  • bitcoin-dev: Discrete Logarithm-Based Interactive Aggregate Signatures
• Round-Efficient Adaptively Secure Threshold Signatures with Rewinding
• Thunderbolt: A Formally Verified Protocol for Off-Chain Bitcoin Transfers
• ColliderVM: Stateful Computation on Bitcoin without Fraud Proofs
• Carbyne: An Ultra-Lightweight DoS-Resilient Mempool for Bitcoin
• Bitcoin, a DAO?
• CoinMaze (withdrawn): Privacy-Focused CoinJoin Protocol for Bitcoin
• ECDSA Cracking Methods
• Discovering Bitcoin's Public Topology and Influential Nodes
  • CoinScope: Mempool Partitioning and Identifying Mining Nodes

Otras publicaciones:

• BIS: DeFiying gravity? An empirical analysis of cross-border Bitcoin, Ether and stablecoin flows
• CISA Research Paper

Covenants:

CTV + CSFS:

• Evolving the Ark protocol using CTV and CSFS
• Robin Linus: BitVM CTV + CSFS
• Voltage lanza testnet en la nube para CTV+CSFS
• Repositorio Awesome CTV con recursos sobre CTV y CSFS
• Anthony Towns recursive covenant post
• @robin_linus: x thread
• Jeremy Rubin: delbrag (garbled circuits)

OP_CTV + OP_CAT:

• Simple bitcoin vault with OP_CAT vs OP_CTV
• WhatTheFork Coin Voting Softforks

BitVM:

• Rootstock anuncia el primer hackatón de BitVM
• StarkWare combina ColliderScript y BitVM en un nuevo experimento

OP_VAULT vs OP_CCV:

• BIP draft: OP_CHECKCONTRACTVERIFY
• ¿Qué es CCV? (OP_CHECKCONTRACTVERIFY)
• @jamesob: OP_CCV and OP_VAULT
• OP_VAULT retirado en favor de OP_CCV
  • delvingbitcoin: Withdrawing OP_VAULT (BIP-345)

Minería:

• Cambridge Digital Mining Industry Report
• Bitmain's S21+ update breaks connectivity to Ocean and Braiins
• Mining Centralization Index
  • 0xB10C: Bitcoin Mining Centralization
  • @0xB10C: x post
• Mining centralization X thread: Hash League
• SLICE: Making PPLNS Work for Demand Response
• Tether is deploying hashrate to OCEAN
• Announcing Parasite mining pool
  • @kram_btc: x post

Hardware abierto:

• The first Ember One release is now available
• Braiins Open Source Control Board

L1:

• delvingbitcoin: How to linearize your cluster

• delvingbitcoin: Dust Expiry, Clean the UTXO set from spam

• Satoshis are proposed to oficially be satoshis

  • BIP 177: Redefine Bitcoin’s Base Unit #1821
  • BIP 176: Utilization of bits denomination #618
  • Designathon: Re-basing Bitcoin

• 64-bit arithmetic in Script

• Removing checkpoints in Bitcoin Core v30

• SwiftSync: Speeding up IBD 5x

  • Ruben Somsen's gist
  • The Tragic Tale of BIP30
  • BIP30 consensus failure vulnerability

• bitcoin core PR #1835: (BIP48) add p2tr script type derivation

Cuántica:

• Post Quantum Signatures and Scaling Bitcoin
• Against Allowing Quantum Recovery of Bitcoin
• Hourglass BIP

Investigación:

• @mononautical: signaturless inputs
• @mononautical: weighted multisig
• @rot13maxi (x thread): taplocks

Musig:

• rust-secp256k1: musig2 merged in to rust bitcoin
• 69000/69000 musig2 key spend

Consenso:

• BIP 54: Consensus Cleanup
  • Interview with Antoine Poinsot
  • @darosior: x post announcement of draft proposal

L2:

• mempool.space: lightning dashboard

Noticias:

• Stake n' Shake now accepts LN payments:
  • 1
  • 2
• second: Ark servers vs LSPs: Liquidity requirements for Lightning payments
• second: Erk, Ark without liveness requirements
• arklabs: Exploring Taproot Assets in Ark
• spark: stablecoins on statechains
• spark: Magic Eden to add support for Spark L2
• spark: mainnet launch
  • X announcement
• Exodus Wallet elimina el soporte para Lightning
• Breez anuncia una wallet similar a Aqua
• BitGo offers Lightning
  • @BitGo: x post
• LN Wallet Marketshare in Japan
• Revolut integra Lightspark para pagos Lightning en UK y Europa
• Wallet of Satoshi announces non-custodial US-approved wallet
• Breez Nodeless supports BOLT12 and BIP353
• Citrea lanza su red testnet Clementine
• Autonomous Rekt: LLM Powered fuzzing with lightning payment rails

Cambios relevantes:

• LDK: announcing VSS
• eclair: Simplify channel keys management PR #3064
• LDK: implement BOLT 12 Proof of Payment PR #3593
• bolts: BOLT 12 - re-add recurrence support
• core lightning: Add LSPS0 Client and Service Plugin
• bolts: Make the payment secret mandatory for BOLT11

Investigación:

• A Novel Off-Chain Transaction Framework for Channel Cooperation
• Path Queries: Addressing Payment Reliability and Routing Limitations

Herramientas:

• BLAST: Big Lightning Automated Simulation Tool

L3:

• Fedimint v0.7.1
• Herramienta para crear multisigs de ecash (Cashu Nutlock)
• Herramienta para gastar multisigs de ecash (Cashu Witness)

Privacidad:

• The Evolution of Payjoin

Wallets:

Descriptores:

• delvingbitcoin: avoiding xpub+derivation reuse across wallets, in a UX-friendly manner
• delvingbitcoin: standardized backup for wallet descriptors
• descriptor-encrypt: a rust library to encrypt Bitcoin descriptors

Dispositivos de hardware:

• Bitkey self-custody
• Coldcard co-sign
• Frostsnap Multisig Hardware wallet

Software:

• Wasabi moving away from centralized server
• CakeWallet adds Payjoin V2
• GPGap: Air-gapped GPG signing Bitcoin-style

Respaldo de datos:

• bitcoin core (PR #31250): disable creating and loading legacy wallets
• bitcoin core (PR #28710): remove the legacy wallet and BDB dependency #28710

Noticias:

• The 68-bit Bitcoin puzzle has been cracked!

  • mempool.space tx

• bitcoin-dev mailing list cancelled by Google

  • relevant discussion from the last time this happened
  • @SomsenRuben: it was restored the next day
  • @jarolrod: x post

Regulaciones & Mercados:

• El Departamento de Justicia de EE. UU. dejará de perseguir servicios de mezclado
• Mastercard podría integrar "Kraken Pay" como parte de una alianza estratégica
• Bitcoin Policy Institute propone “BitBonds” para adquirir bitcoin de forma neutral en el presupuesto
• Trump bloquea la norma del IRS sobre reportes de "brokers DeFi"
• bitcoin.org animations PR merged
• Blockchain Regulatory Certainty Act
• JPMorgan CEO Jamie Dimon says the bank will let clients buy bitcoin
• Wisconsin Sells Entire $350M Spot Bitcoin ETF Stake
• OCC Gives Banks the Green Light to Offer Bitcoin and Crypto Custody and Trading Services
• El fondo soberano de Abu Dabi revela una inversión de 408 M$ en el ETF de bitcoin de BlackRock
  • Tweet
• Arizona se convierte en el segundo estado en establecer una reserva estratégica de bitcoin
• Coinbase adquiere la plataforma de opciones de cripto Deribit por 2,9 B$

Seguridad:

• Bitcoin Address Poisoning Attacks
• bitmex: Bitcoin’s Duplicate Transactions
• bitmex: The Timewarp Attack
• Poisson Blocks DoS vector in Bitcoin at OP_NEXT by PortlandHODL
• @orangesurfbtc: NBitcoin Crash and fix
  • Miners rolling nonstandard tx version numbers
• NBX Explorer Nix-bitcoin Fix
• Coinbase PII Breach & $20M Ransom
• Antoine Poinsot: detailed analysis of CVE-2025-43707, disclosure of rust-miniscript vulnerability
• BIP30: vulnerabilidad de fallo de consenso
• BTCPay Server cae por vulnerabilidad
• @orangesurfbtc: la causa de la vulnerabilidad BTCPay Server
• Poison blocks: DoS vector on block validation

Herramientas:

• Sovereigntools.com lanza comparativa de wallets de Bitcoin

• Softfork research database

• BitScript Sandbox

• Bitcoin Feature Matrix

• Snapshots de UTXOs para Bitcoin {main,test,sig}net

• Removing checkpoints in Bitcoin Core v30

• Payjoin Demo @riverKanies

• Stable Channels @toneloc

  • @tonklaus: x post

• mempool.space: new visualization for taproot

• mempool.space: Block Size Report

• mempool.space: UTXO Set Report

  • @orangesurfbtc: x post

• mempool.space: v3.2.0

  • @mempool: x post

• Tx Batching: Peach GroupHug

• Nostringer: unlinkable ring signatures (SAG) for Nostr pubkeys

• Coinswap v0.1.1

• fuzzamoto: fuzz testing tool for Bitcoin nodes

• secp256k1lab

• LNBits v1.0.0 release - AppImage

• "Cove Wallet" iOS test flight: release 0.3.0 with TAPSIGNER support

• rust-cktap

• Nueva versión de Frostr con aplicación de escritorio y extensión para navegador

• electrum: soporte directo para nostr

• electrum: soporte para plugins de terceros

• Lanzamiento de Private Pond (coordinador de Payjoin)

• SDK de Breez ahora con soporte para WASM

• Lightning Terminal lanza la función “Auto Open”

• LND 0.19.0-beta.rc4 - new RBF-based fee bumping for cooperative closes

• BTCaccepted: A list of online only merchants

• BTCPay Ghost integration

• Tanos: Atomic swaps over nostr

• Coinbase MPC library released

• Swapido en la App Store de Fedi e integración con WebLN

Eventos

BTC++, transmisiones en vivo

• 1
• 2
• 3
• 4