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  • darylcartwright
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    <br> Notable changes this week in Bitcoin Core, C-Lightning, Eclair, LND, Rust-Lightning, libsecp256k1, Bitcoin Improvement Proposals (BIPs), and Lightning BOLTs. This will help implementers to identify flaws or sub-optimal requirements in the current proposals that might be missed by people who only read the documentation. CHECKTEMPLATEVERIFY proposal. Also included is our regular section about notable code and documentation changes. This week’s newsletter describes a proposed LN feature to allow making spontaneous payments and provides our longest-ever list of notable code changes to popular Bitcoin infrastructure projects. This makes it safe to switch to a new HD seed with the sethdseed (set HD seed) RPC even while the node is performing an initial block chain download, such as when restoring a wallet backup on a newly-started node-the updated code ensures the wallet will see any payments to addresses previously derived from the old HD seed. In even better news, you have the opportunity to reduce these fees further by holding the Binance Coin. This peer to peer payment system does not have a central repository or a single administrator. This prevents surveillance nodes from circumventing Bitcoin Core’s existing privacy-enhancing behavior of waiting a slightly different amount of time for each peer (or group of peers) before announcing new transactions to them, causing each transaction to propagate across the network using a different pat<br>p><br>p> Experienced users are encouraged to help test for any regressions or other unexpected behavior. ● Help test Bitcoin Core 0.19.1rc1: this upcoming maintenance release includes several bug fixes. ● Bitcoin Core 0.20.0rc2 is the most recent release candidate for the next major version of Bitcoin Core. CHECKTEMPLATEVERIFY (CTV) Workshop: video (morning, afternoon) and a transcript are available from a recent workshop about BIP119 CTV. ● What are the sizes of single-sig and 2-of-3 multisig taproot inputs? ● Taproot review: starting the first week of November, several Bitcoin contributors will be hosting a series of weekly meetings to help guide people through review of the proposed bip-schnorr, bip-taproot, and bip-tapscript changes. ● Help test release candidates: experienced users are encouraged to help test the latest release candidates for the upcoming versions of Bitcoin Core and C-Lightning. Please consider upgrading to new releases or helping to test release candidates. New releases and release candidates for popular Bitcoin infrastructure projects. At its core, Bitcoin allows people to use the internet to engage in transactions that can be validated and confirmed without the need for an intermediary, which enables safe peer-to-peer transactions at an unprecedented scale. 3738 adds initial support for BIP174 Partially Signed Bitcoin Transactions (PSBT), making use of libwally’s P<br>s<br>ort.
    18677 adds a new –enable-multiprocess build configuration option that will produce additional binaries alongside the existing bitcoind and bitcoin-qt binaries. The build option is currently disabled by default. This option can be dangerous if the alternative sub-daemon isn’t fully compatible with the other daemons being used, but it also allows improved flexibility and may simplify some testing. 3372 allows the user to specify an alternative program to use instead of one of the default sub-daemons (the C-Lightning system consists of multiple interacting daemons, referred to as sub-daemons of lightningd). 3558 synthesizes a unified policy for any case where two particular nodes have multiple channels open between them and then uses this unified policy when considering routing through any of those channels. AMP is harder for routing nodes to distinguish from normal single-part payments and can guarantee that the receiver either claims all parts of the payment or none of it. Providing 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 spendin<br>a<br>oney.
    None of this means any complication for the user. It also means much less chance of this power being required: “Si vis pacem, para bellum”. Abra supports bitcoin as well as over 50 global currencies which means you could try this out can convert in and out of bitcoin or any available currency, easily. Bitcoin aficionados even predict that cryptocurrency will reach the $100,000 mark and would eventually supplant gold, all government-backed money, and credit cards, as well as flip the banking system on its head. 17681 allows the wallet to internally derive new addresses for a BIP32 HD wallet seed even after that seed is no longer the wallet’s active seed. 684 updates BOLT7 to suggest that nodes send their own generated announcements even when the remote peer requests a filter that would suppress that announcement. As new blocks are being generated continuously, the difficulty of modifying an old block increases as time passes and the number of subsequent blocks (also called confirmations of the given block) increases. To begin with, new blocks are always stored linearly and chronologically. All developers, academics, and anyone else with technical experien<br>re welcome.

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