This week’s newsletter summarizes an update to a proposed standard for LN and includes our regular sections about notable changes to services, client software, and popular Bitcoin infrastructure projects. This week’s newsletter summarizes several questions and answers from the Bitcoin Stack Exchange and describes notable changes to popular Bitcoin infrastructure projects. This week’s newsletter requests help testing the next version of LND, summarizes a discussion about soft fork activation mechanisms, and describes a few notable changes to popular Bitcoin infrastructure software. ● Discussion of soft fork activation mechanisms: Matt Corallo started a discussion on the Bitcoin-Dev mailing list about what attributes are desirable in a soft fork activation method and submitted a proposal for a mechanism that contains those attributes. Subsequent to the workshop, CTV proposer Jeremy Rubin announced a mailing list to help coordinate future review and discussion of the BIP119 proposal. Experienced users are encouraged to help test the software so that any problems can be identified and fixed prior to release. In legacy and segwiscriptcript, the inefficiency isn’t believed to cause any significant problems. If the first 18 months of the activation period passes without activation (but also without any blocking problems being discovered), new releases can enable this option by default for the remaining 24 months of the activation perio

As an alternative to either BIP9 or BIP8 alone, Corallo proposes a three-step process: use BIP9 to allow a proposal to be activated within a one-year window; pause for a six-month discussion period if the proposal is not activated; and-if it’s clear that the community still wants the proposal activated-force activation using a BIP8 flag day set to two years in the future (with faster activation possible using versionbits signaling). Anthony Towns provides lucid commentary on several aspects of Corallo’s proposal and Timón’s response. 17585 deprecates the label field returned by the getaddressinfo RPC as the labels (plural) field already exists and provides the same functionality. 17578 updates the getaddressinfo RPC to return an array of strings corresponding to the label used by an address. 16373 causes the bumpfee RPC used for Replace-by-Fee fee bumping to return a Partially Signed Bitcoin Transaction (PSBT) when the user attempts to fee bump a transaction using a wallet with disabled private keys. Fournier questioned the utility of combining the private key plus the randomness using an xor operation rather than a more standard method of hashing the private key with the random
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BIP340 co-author Pieter Wuille replied with an explanation: writes in the official Coin-viewer.com blog key and signature aggregation where a mathematical relationship is created between the private keys of cooperating users, the attacker-if he’s one of the cooperating users-may be able to combine knowledge of his private key with information learned from power analysis of other users’ signature generation in order to learn about the other users’ private keys. 18032 extends the results of the createmultisig and addmultisigaddress RPCs tscriptude a descriptor field that contascript ouscriptcript descriptor for the created multisig address. scripting a descriptor here makes it easier for the user (or a program that is calling this RPC) to get all the information they need to not only monitor for payments received to the created address but to also later create unsigned transactions which start the process of spending that money. Doing so provides a number of benefits including easier code maintenance, better opportunities for testing individual components, and potentially more secure software if the wallet component is moved to its own process. An example given in the code is a plugin that prevents the LN node from committing to a payment until a backup of important information about the payment has been
ted.

1339 prevents users from setting their htlc-minimum amount to 0 milli-satoshis, which would violate BOLT2. But Ethereum and other next-gen crypto-platforms paint a very attractive picture of our online future, one where users are in control, not governments or big companies. An ERC20 token is the standard token for Ethereum. Bitcoin's dominance is currently 49.92%, a decrease of 0.04% over the day, according to CoinMarketCap. This needs to be completed in case Bitcoin's worth takes a dramatic change. Finally, a fourth interesting use case is public payments. However, the prscript for tapscript would make it possible for an attacker to use the inefficiency to create blocks with transactions that could take a large amount of CPU to verify. This week’s newsletter summarizes the final week of the organized taproot review, describes a discussion about coinjoin mixing without either equal value inputs or outputs, and mentions a proposal toscripte oscriptscript descriptors in end-user interfaces. 75 for scriptiginal description of this proposal. A proof-of-reserve audit is typically conducted by an independent third party to ensure the custodian’s assets are owned as claimed. Also discussed was a previous patent application by Trevethan related to offchain payments secured by a trusted third party using decrementing timelocks and multiparty ECDSA.