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Crypto && Coffee 148

Top Story: The U.S. Securities & Exchange Commission (SEC) approved all 11 spot Bitcoin ETFs yesterday January 10th, 2024! As of today, January 11th, 2024 the ETFs are trading with surpassing $1.2B in trading volume just in the first 30 min. Technology Recap: Bitcoin: Antoine Poinsot posted to Delving Bitcoin further details around v3 transaction relay policy…

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Crypto && Coffee 147

Technology Recap: Bitcoin: Core developers started a working group around the cluster mempool proposal. This proposal aims to make it easier to operate on the mempool while respecting the required ordering of transactions. In this design, clusters of one or more related transactions can be split into fee-rate sorted chunks. Any chunk can thus be included in a…

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Crypto && Coffee 146

Technology Recap: Bitcoin: Lightning Labs releases LND v0.17.1! This release contains various optimizations and bug fixes focusing around mempool scanning logic and Taproot channel types. Ethereum: Christine Kim of Galaxy provides the latest updates from the All Core Devs Call for Ethereum. This past week the first Dencun Goerli shadow fork launched and went smoothly.…

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Crypto && Coffee 145

Technology Recap: Bitcoin: Antoine Riard posted to the Bitcoin-Dev mailing list and Lightning-Dev mailing lists about a responsibility disclosure affecting all Lightning Network implementations. Ethereum: Christine Kim from Galaxy highlights the latest All Core Devs Call for Ethereum and the launch of devnet 11, a shadow fork for Goerli next week, the likely activation of Dencun being…

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Crypto && Coffee 144

Technology Recap: Bitcoin: Steven Roose posted to the Bitcoin-Dev mailing list a BIP (Bitcoin Improvement Proposal) for the OP_TXHASH opcode which would be used as a data structure for selecting specific data inside a transaction. Bitcoin Core added support for version 2 encrypted P2P transport via BIP-324. The feature is currently disabled by default, but can be…

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Crypto && Coffee 143

Technology Recap: Bitcoin: Arkham Intelligence notes that an unknown address that accumulated more than ~$3B worth of Bitcoin in the last 3 months, making them the 3rd largest Bitcoin wallet, belongs to Robinhood Markets Inc..  Matt Morehouse posted to the Lightning Dev mailing list the summary of a vulnerability that was recently disclosed and is now addressed. The…

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Crypto && Coffee 142

Technology Recap: Bitcoin: Peter Todd posted to the Bitcoin-Dev mailing list a recommendation to add a user-chosen expiration date to addresses for silent payments.  Dan Gould posted to the Bitcoin-Dev mailing list a draft BIP (Bitcoin Improvement Proposal) for serverless payjoin.  Wasabi Wallet v2.0.4 was released which adds features for fee bumping via RBF (Replace-by-Fee) or CPFP (Child-pays-for-Parent). In addition, they have also…

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Crypto && Coffee 141

Technology Recap: Bitcoin: The LDK team announced LDK Node v0.1.0. This is a Lightning node Rust library that uses the LDK and BDK libraries to enable developers to quickly setup a self-custodial Lightning node and wallet.  Payjoin Dev Kit (PDK) was announced as a Rust library that implements BIP-78 for use in wallets and services that aim to…

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Crypto && Coffee 140

Technology Recap: Bitcoin: Updates have been made to the BIP-329 specification which highlights a wallet label export format with a new optional spendable tag. This aims to indicate to the wallet and user whether the associated output should be spendable. This builds off of existing coin control features that are inherent in many wallet software implementations.  Ethereum: This…

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Crypto && Coffee 139

Technology Recap: Bitcoin: Greg Sanders posted to the Bitcoin-Dev mailing list a description for how the proposed v3 transaction relay rules could potentially allow one to create a coinjoin-style multi-party transaction that would not be vulnerable to transaction pinning. Lightning Labs shares a detailed post on how Lightning channels work and how nodes interact with Hash Time Locked…

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