Development & Technology
Bitcoin Core, protocol, BIPs, running nodes.
What's up with transaction versions? What’s the difference between version 1 and version 2?
Started by ser · Feb 16, 2026, 01:46 PM · 7 / 5037503by ben.matrixFeb 22, 2026, 10:03 AMWhat are the latest methods people are looking into for tackling the huge UTXO set size? I think it's not just about the size itself but how it…
Started by ser · Feb 11, 2026, 07:34 PM · 3 / 5743574by gang2015Feb 12, 2026, 05:23 AMJust wrapped up some heavy lifting on cracking BIP-39 phrases, specifically how to recover more than 4 missing words. It’s something all those wallet…
Started by fullnode · Jan 25, 2026, 06:28 PM · 16 / 61116611by ben.matrixJan 31, 2026, 10:29 AMJust launched a blockchain that needs zero-knowledge proofs to confirm block validity based on ML computations. Thought I'd share here for some tech…
Started by wallet_boss · Jan 28, 2026, 04:41 AM · 5 / 7105710by ben.matrixJan 30, 2026, 10:14 PMCan someone explain this AI stuff? Is it something the BTC developers are okay with? I’m just so fed up with AI everywhere. Even saw AI golf putters…
Started by orbit_2015 · Jan 22, 2026, 01:20 PM · 6 / 4036403by gang2015Jan 23, 2026, 10:47 AMBeen messing around with a script that checks peer info every hour. If it sees "Knots" in the subver, I kick that node and ban its IP. Why waste time…
Started by wallet_vault · Jan 12, 2026, 08:37 AM · 5 / 6435643by atlas_minerJan 13, 2026, 04:58 AMStuck here for a day. How do I import a multisig address into my bitcoin-cli wallet? Getting this annoying error: "Cannot import descriptor without…
Started by darkwolf · Dec 30, 2025, 07:14 PM · 9 / 8099809by darkwolfJan 5, 2026, 01:58 AMSo I've got Sparrow on one computer, and Bitcoin Core on another. When I launch Bitcoin Core from the command line it works fine with Sparrow. But if…
Started by dan51 · Dec 31, 2025, 07:48 AM · 2 / 6532653by gang2015Jan 3, 2026, 06:05 PMHey folks, Been diving into some thoughts lately. If someone’s looking to store Bitcoin long-term, like 10 or 20 years, how can they ensure they or a…
Started by just_sage · Dec 16, 2025, 02:26 AM · 8 / 4558455by just_sageDec 20, 2025, 03:09 AMHey everyone I wanna set up a BTC node on my Mac, but my internet plan isn’t enough to download the entire blockchain (it’s like 720 GB). So, I was…
Started by tom_ap3 · Dec 5, 2025, 01:35 PM · 13 / 63713637by tom_ap3Dec 11, 2025, 11:49 PMConsolidating UTXOs has some solid perks for Bitcoiners. You get fewer inputs in future transactions, lower fees, plus it’s easier to manage your…
Started by seed07 · Nov 26, 2025, 10:11 AM · 16 / 23016230by ben.matrixNov 30, 2025, 04:35 PMSo... whenever I run Bitcoin Core, my connection goes down the drain. Can’t even use other apps, like seriously. Even my phone shows "Connected, no…
Started by cyberdiamond · Nov 10, 2025, 02:11 PM · 21 / 60221602by ben.matrixNov 17, 2025, 10:24 PMHey all, I've been getting really interested in the techy side of Bitcoin lately but I'm kinda lost. Can you guys point me to some good books or…
Started by lonecobra · Nov 14, 2025, 08:16 PM · 8 / 2748274by k1ng_blockNov 17, 2025, 04:29 AMHad this idea to make BIP-39 seeds super compact for QR or RFID. Just think about it... convert the wordlist into line numbers and base58 encode…
Started by anon · Nov 1, 2025, 08:00 PM · 17 / 51217512by ben.matrixNov 7, 2025, 05:17 PMTaproot was a big deal for privacy and scripting, but what’s next for Bitcoin? Do you all think we should look into soft forks like Ark or focus on…
Started by block_maxi · Nov 4, 2025, 01:42 AM · 3 / 3483348by alexsatNov 6, 2025, 12:48 AMSo, I saw this giveaway thread and had some thoughts on how to make the random number generation process better. Is this method solid or am I missing…
Started by ninja_diamond · Nov 2, 2025, 07:05 AM · 3 / 8683868by ninja_diamondNov 4, 2025, 10:41 PMIs this a dumb question? I'm curious what happens if a new node connects to a peer with a messed up UTXO set. Like if it’s corrupted or something.…
Started by just_sage · Oct 25, 2025, 09:17 PM · 9 / 6059605by atlas_minerOct 28, 2025, 11:31 AMHey, I’m trying to wrap my head around this BIP stuff. So there are two methods for making threshold signatures based on the number k, right? If k is…
Started by im_boss · Oct 26, 2025, 01:29 PM · 2 / 4612461by im_bossOct 27, 2025, 02:29 PMBitcoin Core v31.0 is out now! You can grab it from their official site. This version comes packed with new features, tons of bug fixes, and better…
Started by matrix2021 · Oct 25, 2025, 08:07 PM · 3 / 6993699by wallet_2016Oct 26, 2025, 12:55 AMJust read an intriguing article on Simplicity, the programming language Blockstream is pushing for Bitcoin. It's meant to enhance smart contracts,…
Started by b3n_farm · Oct 16, 2025, 01:40 PM · 17 / 75517755by ben.matrixOct 24, 2025, 02:10 PMThere's a new BIP proposal called OP_CAT. Draft's by Ethan Heilman and Armin Sabouri. It’s a simple change, just 13 lines, and it deals with…
Started by kevin420 · Oct 18, 2025, 10:04 PM · 17 / 50417504by ben.matrixOct 23, 2025, 11:48 AMHey everyone, I wanna share a new tool called VanitySearch. It's kinda like Vanitygen, but way faster on my end. This one doesn’t use OpenSSL for…
Started by kevin_nova · Oct 13, 2025, 09:12 PM · 22 / 46522465by ben.matrixOct 19, 2025, 05:36 AMMath stuff makes my brain hurt, but I picture it like a Christmas tree. Sounds odd? Maybe, but hey, this is the place to ask. How do you guys see the…
Started by cryptoyield · Oct 13, 2025, 04:02 PM · 8 / 3598359by 0xLynxOct 17, 2025, 03:32 PMJust came across this news on the Nakamoto upgrade from coindesk. Apparently, Bitcoin's Layer-2 network, Stacks, is kicking it off.
Started by chain2011 · Oct 10, 2025, 09:10 PM · 21 / 48521485by ben.matrixOct 16, 2025, 10:11 AMSo, Knots is about to fork in a couple of months because they want to mess with Bitcoin Script to filter transactions better. Once that happens, it's…
Started by atlas_miner · Oct 9, 2025, 05:49 PM · 11 / 57811578by atlas_minerOct 15, 2025, 04:42 AM