Mark “Murch” Erhardt and Mike Schmidt are joined by René Pickhardt to discuss ⁠Newsletter #309⁠.

News

• Estimating the likelihood that an LN payment is feasible (1:04 )

Selected Q&A from Bitcoin Stack Exchange

• How is the progress of Initial Block Download (IBD) calculated? (31:25 )


• What is `progress increase per hour` during synchronization? (33:50 )


• Should an even Y coordinate be enforced after every key-tweak operation, or only at the end? (34:45 )


• Signet mobile phone wallets? (37:28 )


• What block had the most transaction fees? Why? (39:01 )


• bitcoin-cli listtransactions fee amount is way off, why? (41:48 )


• Did uncompressed public keys use the `04` prefix before compressed public keys were used? (44:57 )


• What happens if an HTLC's value is below the dust limit? (46:34 )


• How does subtractfeefrom work? (47:11 )


• What's the difference between the 3 index directories blocks/index/, bitcoin/indexes and chainstate? (51:19 )

Releases and release candidates

• LND v0.18.1-beta (52:18 )


• Bitcoin Core 26.2rc1 (53:02 )

Notable code and documentation changes

• Bitcoin Core #29575 (53:29 )


• Bitcoin Core #28984 (56:38 )


• Core Lightning #7388 (1:00:28 )


• LND #8734 (1:03:24 )


• LDK #3127 (1:03:59 )


• Rust Bitcoin #2794 (1:05:39 )


• BDK #1395 (1:07:05 )


• BIPs #1620 (1:08:55 )


• BOLTs #869 (1:11:57 )