Intense Bitcoin – Blessing Or A Curse

1 hundreds of “btcwire 0.5.0/neutrino” connections are downloading TB from my Bitcoin node While running Bitcoin Core 0.21.0 with compact block filters enabled, qertoip notices a large number of connections (75%) and bandwidth usage (90%) from btcwire 0.5.0/neutrino user agents. 131, this allows peers to use different limits for disabled relay connections, such as accepting additional connections beyond the current 125 connection maximum. Murch points out that these peers are LND nodes and because compact block filters are both a new feature of Bitcoin Core as well as disabled by default, there may be a lack of compact block filter serving peers on the network currently resulting in higher traffic to nodes supporting the filters. An LND developer indicated that this would be beneficial for their software, and it could also allow a future update that allows the wallet logic to use the block filters to determine which historic blocks the pruned node needs to re-download in order to import a wallet. 15946 makes it possible to simultaneously use both configuration options prune and blockfilterindex to maintain compact block filters on a pruned node (also serving them if the peerblockfilters configuration option is used).

The Bitcoin network adjusts the difficulty of mining about every two weeks to keep block production to ten minutes. 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. These work by having the sender of a payment choose its payment preimage (normally chosen by the receiver), derive its payment hash (normally included in an invoice), encrypt the preimage to the receiver’s node pubkey, and send a payment with the encrypted data to the receiver secured by the payment hash. All transactions are secured or performed at the highest speed, and also save time. Anchor commitment transactions can be fee bumped unilaterally by either party, which is useful because commitment transactions might be broadcast a long time after they commit to their on-chain feerate. 3821 adds anchor commitments for LN channels and enables them by default if both participating nodes of a channel signal support. 4163 adds a version RPC that returns information about the LND server version and build flags. ● LND 0.12.1-beta is the latest maintenance release of LND. This makes it easier for applications to ensure they’re compatible with the currently running LND version.

The U.S. Securities and Exchange Commission (SEC) has reportedly stated that recent applications to launch spot bitcoin exchange-traded funds (ETFs) by asset managers were not sufficiently clear and comprehensive. ● Bitstamp supports bech32: Bitstamp users can now benefit from using native bech32 addresses after the exchange announced support for both bech32 deposits and withdrawals. ● Coinbase withdrawal transactions now using batching: Coinbase has rolled out batch withdrawals that they estimate will reduce their load on the Bitcoin network by 50%. Instead of each withdrawal payment generating a single onchain transaction, multiple payments will be combined into a single transaction once every 10 minutes. Some sample commands are provided by cdecker for C-lightning to either rebroadcast the funding transaction or create a double spend. ● Can a channel be closed while the funding tx is still stuck in the mempool? A PR is open to update the specification but it is still under discussion exactly what change should be made. 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. According to Segura, the update includes details about “user accounts, payment methods, and message signing.” His email also provides a list of features he would like to add, with discussion about each near the end of the email.

It also has many useful features and great 24/7 customer support. 441 adds support for sending and receiving basic multipath payments. 17595 adds support for reproducibly building the Windows versions of Bitcoin Core using GNU Guix. 3623 adds a minimal implementation (only available with the configuration parameter –enable-experimental-features) for spending payments using blinded paths. Discussion continued about the LOT parameter on the mailing list, 바이낸스 KYC ( mainly about the effect of encouraging users to choose the option themselves, either via a command line option or by choosing what software release to use. While one option is to pursue opening the channel by waiting for confirmation and potentially rebroadcasting the transaction, Rene Pickhardt notes that double spending the funding transaction’s inputs would drop it from mempools. After attempting to open an LN channel but setting the funding transaction’s feerate too low, PyrolitePancake asks about closing the channel while the funding transaction remains in the mempool. The value of a Bitcoin transaction is calculated based on the fair market value of the virtual currency as of the date of payment. The receiver decrypts the preimage and uses it to claim the payment like normal. In order to allow payment tracking, lightningd automatically creates an internal invoice for the decrypted preimage before claiming a spontaneous payment.

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