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Crypto && Coffee 128

Technology Recap: Bitcoin: Bitcoin Core merged support for a mempoolfullrbf configuration option which defaults to the existing behavior of only allowing RBF (Replace-by-Fee) replacement of transactions containing the BIP-125 signal.  Sparrow Wallet v1.7.0 has been released with Linux aarch64 support, implementation of Sparrow Terminal, cancel transaction operations for RBF, Jade support and more!  Lightning Labs releases lnd v0.15.4-beta which aims to solve the syncing issue…

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Crypto && Coffee 127

Technology Recap: Bitcoin: A fix for btcd’s wire parsing library was pushed to help fix the issue affecting a large number of Lightning network nodes. The fix was packaged into a hotfix release for LND.  River Financial announces RLS: River Lightning Services. RLS is a Lightning gateway for developers to enable Lightning network deposits and withdrawals utilizing a simple API without running any…

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Crypto && Coffee 126

Technology Recap: Bitcoin: Lightning Labs announces the initial code for Taro, a new protocol to issue and transfer assets on the Bitcoin and Lightning network.  Core developer, Gloria Zhao, posted to the Bitcoin-Dev mailing list a proposal to allow transactions to opt-in to a modified set of transaction relay policies. This would aid both layer-2 and contract-based protocols.  Bitcoin…

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Crypto && Coffee 125

Technology Recap: Bitcoin: Suhas Daftuar releases a PR that aims to reduce the bandwidth needed during initial header syncs when a block is found. This will improve synchronization of the blockchain with peers during the Initial Block Download (IBD) and more.  Lightning Dev Kit, LDK, has published v0.0.111 which includes support for relaying onion messages! Onion messages are messages…

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Crypto && Coffee 124

Technology Recap: Bitcoin: Several wallet developers including ColdCard and Sparrow Wallet have been in talks with developer Ali Sherief regarding a BIP that encompasses a single message signing algorithm used for P2WPKH and other output types. Core developers have been discussing use cases and designs around on-chain transactions that “burn” bitcoins in small increments as a proof of resource…

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Crypto && Coffee 123

Technology Recap: Bitcoin: Core Developer Alfred Hodler posted to the Bitcoin-Dev mailing list a proposal to BIP-47. BIP-47 allows a user to publish a payment code that anyone can use in combination with their own keys to create an unlimited number of private addresses that only the two know, aiming to avoid address reuse issues. Ethereum: Tim…

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Crypto && Coffee 122

Technology Recap: Bitcoin: Lightning Network Daemon, lnd, announces lnd v0.15-beta! This new release includes full support for Taproot (creating addresses, send/receive, PSBT funding and signing), experimental MuSig2 API, BIP-55 support for neutrino and more! The Lightning Development Kit shares the full background of LDK and the advantages of using LDK for Lightning network development. Ethereum: The Gray Glacier upgrade is scheduled…

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Crypto && Coffee 121

Technology Recap: Bitcoin: Rusty Russell proposed a restricted version of an OP_TX opcode that would allow Tapscript to push to the stack selected parts of the transaction executing it. This would allow for CLTV’s (CheckLockTimeVerify) with fewer bytes than a pure transaction and provide flexibility for nodes that validate transactions. The latest Coldcard firmware adds support for Taproot via…

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Crypto && Coffee 120

Cryptocurrency Technology Recap Bitcoin: In the latest Bitcoin build, deployers now have a full example bitcoin.conf shipped with each release! If needed, there is also now a script to generate one yourself. As of block 735000, we are halfway through Bitcoin’s 4th mining epoch and less than two years away from the annual inflation rate dropping below 1%.…

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Crypto && Coffee 119

Cryptocurrency Technology Recap: Bitcoin: Bitcoin Core v23.0 has been released! This release includes wallet updates with Taproot support, descriptor wallets set as default, ability to indefinitely freeze a UTXO, updates to P2P communications and more! C-Lightning has been rebranded to Core Lightning (CLN). Blockstream aims that CLN will better communicate their focus on interoperability, specification work, and ongoing implementation…

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