Development & Technology

Bitcoin Core, protocol, BIPs, running nodes.

Topics
  • Been running a full node for a while, all good until now. It’s synced and keeping up with new blocks. I tried using blockchain_parser.blockchain to…

    Started by ser · Oct 10, 2024, 08:02 PM · 3 / 653
  • There are loads of P2SH addresses with non-zero balances, but they look like they were created using some bizarre redeem scripts. Any ideas on how to…

    Started by rocket_2019 · Sep 14, 2024, 04:42 AM · 6 / 397
  • Anyone know gmaxwell's take on OP_CAT and the "Great script restoration" thing? Some Core devs say it's safe with checks, but I remember him saying…

    Started by max2009 · Sep 14, 2024, 02:37 PM · 12 / 600
  • Hey everyone. I stumbled upon some code on github about a backdoor in ECDSA. I checked out the rsz values but I'm totally lost. Anyone know what the…

    Started by greg_moon · Sep 8, 2024, 09:36 PM · 8 / 510
  • Been messing with raw data for a few months now after setting up a node. Built a relational database but it’s massive, almost 4TB. Trying to slim it…

    Started by ser · Sep 1, 2024, 10:34 AM · 9 / 430
  • Hey everyone! Just wanted to throw out there the four main Bitcoin address types: 1. Legacy (P2PKH) starts with a 1 2. Nested SegWit (P2SH) starts…

    Started by Cyb3r5igma · Sep 3, 2024, 09:44 AM · 11 / 567
  • Anyone know how to solo mine Bitcoin Core 22.0? I get it, the difficulty is nuts, but I wanna try it for fun. Got my full node all set up on a VPS.

    Started by kevin2011 · Aug 30, 2024, 02:06 AM · 8 / 762
  • I’m tinkering with a version of kangaroo and curious how long it might take to crack puzzle 53 on a Mac Mini M4. I get it’s been solved, just testing…

    Started by diamond51 · Aug 17, 2024, 09:04 AM · 9 / 641
  • So here's a thought. Bitcoin addresses come from a 256-bit random value, like this one: "1PnVcifB9EBwbaAauprqcucPgfUnrRLtWg". A lot of people talk…

    Started by plankton · Aug 19, 2024, 11:56 PM · 5 / 337
  • Using something like Electrum with BIP39 is super easy. Just remember your 12 seed words, and boom, you can access your wallet anywhere. But…

    Started by alpha23 · Aug 6, 2024, 10:47 PM · 19 / 523
  • Seriously, we gotta get moving on some protocol proposals already.

    Started by danmoon · Jul 31, 2024, 12:33 AM · 22 / 415
  • What papers have mathematicians written about Bitcoin? Looking for stuff on theory like elliptic curves and computational methods for optimizing…

    Started by n0c0iner · Aug 6, 2024, 04:09 PM · 3 / 787
  • Check out BigDb, it's a way to massively scale up a database of sequential public keys.

    Started by m1kes4t · Jul 21, 2024, 08:44 AM · 20 / 759
  • So I just found out the difficulty on testnet4 is at 1, and I’m trying to figure out how to mine there. I’ve tried hooking up cgminer to my node but…

    Started by sat_2014 · Jul 29, 2024, 11:53 AM · 3 / 682
  • Hey everyone, I’m on the lookout for a forum where I can share and brainstorm ideas about new cryptocurrency projects. Feels like the usual spots are…

    Started by h0dlg4ng · Jul 12, 2024, 08:13 PM · 5 / 400
  • Check this out, a scenario with ECDSA signatures on secp256k1 where nonces aren’t following RFC6979. We have 7 private keys and 3 nonces reused…

    Started by lynx_coin · Jul 8, 2024, 05:48 AM · 4 / 391
  • So what's the deal with `genesis.hashMerkleRoot` being the same across Bitcoin networks but `consensus.hashGenesisBlock` showing different values?…

    Started by leo_diamond · Jul 9, 2024, 03:33 PM · 3 / 714
  • I just published a blog post on my findings about the Bustabit API. If you’re curious about it, check it out here. It’s a huge Bitcoin gambling site,…

    Started by 0xDegen · Jul 2, 2024, 08:54 PM · 3 / 555
  • I checked out the Erlay paper on efficient transaction relay. Honestly, it seems pretty flawed. I think I can suggest a better method. What if we…

    Started by real_satoshi · Jun 29, 2024, 12:53 AM · 3 / 399
  • I was reading through some old topics and got curious about the prenet genesis transaction. Anyone have an idea what that hex data looked like? I did…

    Started by just_king · Jun 22, 2024, 09:45 PM · 3 / 444
  • Hey there! Is it possible to pull out all the signatures from the blockchain and grab the R values? Any tips on how to do that? Just checked a link…

    Started by degen23 · May 31, 2024, 04:03 AM · 14 / 492
  • So Leonidas mentioned that if Bitcoin devs try to censor Ordinals, they'll fork Bitcoin Core. What do you guys think about that? Seems like a bold…

    Started by SwiftFork · Jun 2, 2024, 07:47 PM · 21 / 261
  • Found this from VanitySearch It’s a code snippet for modular inverse using the extended Euclidean algorithm. Apparently it tackles overflow by using…

    Started by 0xNode · May 29, 2024, 06:54 AM · 4 / 527
  • how do i add crypto payments to my website? like if i run a major site and wanna accept bitcoin or ethereum. is there any easy way to do this or do i…

    Started by dan2015 · May 15, 2024, 01:16 PM · 3 / 211
  • So, I just set up Bitcoin Core, but I got some confusion with the blk00000.dat files... I downloaded a bunch last week and they look fine, like…

    Started by Gig4M0on · May 14, 2024, 10:28 AM · 4 / 1003