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When you set up a Bitcoin wallet, you will have your own Bitcoin address which you can share with your friends and others with whom you want to transact. ● Candidate Set Based (CSB) block template construction: Mark Erhardt posted to the Bitcoin-Dev mailing list about an analysis he and Clara Shikhelman performed on an alternative transaction selection algorithm for miners. In the particular case of the genesis block, the hash of the previous block is set to 0 because the first block does not have any parent block. The delay gives time for users to upgrade their nodes to a release (such as Bitcoin Core 0.21.1 or later) that will enforce taproot’s rules, ensuring that funds received to taproot scripts after block 709,632 are safe even if there’s a problem with miners. ● BTCPay Server 1.0.7.0 is the latest release for this self-hosted payment processing software. ● Rust-Lightning 0.0.13 is the latest release for this LN library containing improvements aimed at forward compatibility with multipath payments and future script upgrades such as taproot. ● C-Lightning 0.10.0 is the newest major release of this LN node software. ● HWI 2.0.0 is the release for the next major version of HWI.

Compared to the previous major version, it contains a several API improvements and bug fixes. ● LND 0.13.0-beta.rc3 is a release candidate that adds support for using a pruned Bitcoin full node, allows receiving and sending payments using Atomic MultiPath (AMP), and increases its PSBT capabilities, among other improvements and bug fixes. This week’s newsletter describes a discussion about rescuing lost LN funding transactions and includes our regular sections with announcements of releases, release candidates, and notable changes to popular Bitcoin infrastructure software. Also included are our regular sections describing changes to services and client software, new releases and release candidates, and notable changes to popular Bitcoin infrastructure software. Also included are our regular sections describing software releases and release candidates, plus notable changes to popular Bitcoin infrastructure software. Notable changes this week in Bitcoin Core, C-Lightning, Eclair, LND, Rust-Lightning, libsecp256k1, Hardware Wallet Interface (HWI), Bitcoin Improvement Proposals (BIPs), and Lightning BOLTs. ● ???? Taproot locked in: the taproot soft fork and related changes specified in BIPs 340, 341, and 342 were locked in by signaling miners last weekend. ● Evaluate proposed changes to BIP341 taproot transaction digest: as described in last week’s newsletter, there has been a request for taproot signatures to make an additional commitment to the scriptPubKeys of all the UTXOs being spent in a transaction.

The expiration date of a futures contract is the last day that trading activity is ongoing for that specific contract. In the case of bitcoin, its price can change dramatically day to day - and even minute to minute - making it a less than ideal payment option. For example, will gold stock price rise or fall in the given time frame? I would only recommend using hot wallet solutions for holding small amounts of crypto at a time that you intend to trade with. 5025 adds basic support for using signet. 4 adds initial support for using Hardware Wallet Interface (HWI) external signers via the GUI. 83 for discussion of using PSBT for interactive construction of funding transactions). It contains a number of enhancements to its API and includes experimental support for dual funding. 4227 removes raw private key handling from various packages, paving the way for hardware wallet signing support. 3738 adds initial support for BIP174 Partially Signed Bitcoin Transactions (PSBT), making use of libwally’s PSBT support. With this change, up to that amount can be allocated to the initial part of the payment instead of splitting it across multiple paths. After this change, users of descriptors need to specify sortedmulti for devices that require lexicographic key sorting or multi for those that don’t.

The recovery phrase is a crucial part to the security and functionality of Abra’s wallet model and while Abra users need to take an added step to safeguard the recovery phrase. Once this feature is finalized, users will be able to use their HWI-compatible hardware wallets directly from the Bitcoin Core GUI. This week, Rusty Russell posted to the Lightning-Dev mailing list about a quick and experimental feature he implemented in C-Lightning to help a user with this problem recover their funds. This allows the user or parent process to more easily know whether just click the following document daemon started successfully by observing the program’s output or exit code. It has been possible to run Bitcoin Core as a background daemon process since early versions by starting the program with the -daemon configuration option. The new -daemonwait option is similar, but only puts the daemon process in the background after initialization is complete. Subsequent to this merge, a new PR was opened that will make experimenting with dual-funding more accessible by eliminating the need to compile C-Lightning with special build flags (although a special configuration option will still be required).