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@b10c.bsky.social
Bitcoin developer and observer - https://b10c.me
👀@mempool
March 18, 2025 at 6:35 PM
.@mempool the accelerated transaction https://mempool.space/tx/1e3674b914e20c8ac2c62d3537c1c2c4f45c5ce07ad2beeae2c1877b8a538abc shows 8.33 s/vB in the block-audit but only 3.40 s/vB on the transaction page.

Based on the position in the block 8.33 s/vB should be correct. Based on the accelerated...
March 18, 2025 at 6:35 PM
testnet4 (aka forknet4) right now

https://fork.observer/?network=4
March 18, 2025 at 6:35 PM
@mempool's block audit also expected the transactions and considers it as excluded due to "marginal fee rate" too
March 18, 2025 at 6:35 PM
miningpool-observer alerting about a "Sanctioned Transaction missing from Block" on @f2pool_offical's block 875575.

I think it was reasonable for F2Pool not to include it as they knew about transactions paying a higher fee - but I'll keep an eye on it

https://miningpool.observer/template-and-bl...
March 18, 2025 at 6:35 PM
fyi @mempool this address shows a negative balance for me

node210 fra (v3.1.0-dev) [01df22ef][17255d15]

https://mempool.space/address/3JP3zF7LoeoAotqkNGdvX5szUyNPwd937d
March 18, 2025 at 6:35 PM
Someone working on something like this?
March 18, 2025 at 6:35 PM
testnet4 looks more like forknet4 right now
March 18, 2025 at 6:35 PM
hm @FoundryServices ?
March 18, 2025 at 6:35 PM
really like this image from the chapter on open-source development of @kallerosenbaum's Bitcoin development philosophy

https://bitcoindevphilosophy.com/#opensource
March 18, 2025 at 6:35 PM
During the fork at height 853051 between Foundry and Binance Pool, Foundry mined on their own block and won.
March 18, 2025 at 6:35 PM
No drop in inbound connections to my Bitcoin P2P monitoring nodes since the start of the #cloudstrike incident.

(matches my assumption that most nodes probably don't run on Windows servers with cloudstrike installed)
March 18, 2025 at 6:35 PM
mining pool game theory during forks
March 18, 2025 at 6:36 PM
Todays fork between Foundry (winning) and AntPool again shows that AntPool (& friends/proxies) isn't mining on their own block during a fork.

AntPool first send an empty job mining on their own block but then switched to Foundry's block and found a block on it.
March 18, 2025 at 6:36 PM
Another fork between AntPool (loosing) and Foundry (winning). While my data shows that all pools besides Foundry mined on AntPool's block, ViaBTC found a block on Foundry's block.

Also, we see forks now almost every other day now..
March 18, 2025 at 6:36 PM
Another fork between @AntPoolofficial (losing) and @FoundryServices (winning). While AntPool and friends started off mining an empty block on AntPool's block, they switched to Foundry's block with the next (non-empty) mining job.
March 18, 2025 at 6:36 PM
During today's fork between ViaBTC (losing) and AntPool (winning), AntPool & a few other pools briefly mined empty blocks on AntPools block before switching to ViaBTCs.

Foundry ended up mining a block on AntPool's block causing AntPool, despite giving up on it's block, to win.
March 18, 2025 at 6:36 PM
During today's fork at height 848477 between AntPool and Foundry, all pools besides Foundry mined on AntPool's block.

While Foundry briefly mined on AntPool's block, they then switched to their own block and won against all other pools.
March 18, 2025 at 6:36 PM
Earlier today, @FoundryServices mined two blocks at height 847849. Six out of 10 of my nodes saw the loosing block first.
March 18, 2025 at 6:36 PM
P2P connections and messages between my node and its peers in realtime
March 18, 2025 at 6:36 PM
context
March 18, 2025 at 6:36 PM
Earlier today, AntPool and Foundry both found a block at height 845869.

Foundry's block was found a few seconds after AntPool's. All pools, including Foundry, continued mining on AntPool's block.
March 18, 2025 at 6:36 PM
context:
March 18, 2025 at 6:36 PM
How mined on which previous block during today's fork at height 845626 (Foundry vs SpiderPool)?

Interestingly, Braiins, Ultimus Pool, and Luxor first mined on SpiderPools block before switching to Foundry's block. Ultimately, SpiderPool's block won decided by AntPool's 845628.
March 18, 2025 at 6:36 PM