Development & Technology

Bitcoin Core, protocol, BIPs, running nodes.

Topics
  • Any thoughts on using systemd for bitcoind? Just trying to get this set up right. I found some examples but it feels a bit confusing. Here's a link I…

    Started by alpha88 · May 26, 2022, 03:16 AM · 2 / 397
  • Hey all, I’m diving into some concepts and I have a bunch of questions that have stumped me. Like, where’s the best place to use a P2SH multisig…

    Started by chain_2017 · May 22, 2022, 04:32 PM · 8 / 495
  • I’m just diving into this. Never happened to me, but what if power fails right after I hit SEND on Trezor or Electrum? Is there a chance the funds…

    Started by diamond_bear · May 17, 2022, 05:15 PM · 16 / 340
  • k*G = r.x == d*G = d.x I’m not super good at English, but I think I got the idea. If R is Publickey x, then we can find a solution. Here’s an…

    Started by greghodler · May 17, 2022, 06:06 PM · 2 / 671
  • Just built a suite for ECDSA secp256k1 to see how signatures hold up against various attacks. It's aimed at helping devs spot weaknesses in their…

    Started by dan2015 · Apr 27, 2022, 04:05 PM · 1 / 680
  • I recently came across Utreexo from the MIT Digital Currency Initiative while diving into OP_RETURN talks. It's got potential to address some Bitcoin…

    Started by alexsat · Apr 15, 2022, 09:03 AM · 22 / 497
  • Michael Saylor is raising alarms about opportunists pushing for changes to Bitcoin's protocol. He believes it could really backfire.

    Started by cryptosatoshi · Apr 4, 2022, 02:09 PM · 20 / 470
  • I’m totally new to this coding stuff. I want to grab the raw hex file of the latest block. How do I do that? I've tried some blockchain explorers but…

    Started by bear2019 · Apr 5, 2022, 08:40 PM · 12 / 621
  • I keep hearing how secure bitcoin is, but what if a government decides to throw tons of computing power at it? Like billions worth. What would really…

    Started by 5ilentOracl3 · Mar 29, 2022, 09:56 AM · 21 / 642
  • Saw on Predyx that traders are giving this like 14% odds. Pretty wild considering over 6k people trading it and the volume is crazy high. Curious…

    Started by nova42 · Mar 26, 2022, 11:14 PM · 19 / 500
  • So, are there any limits on how big block files can get? I mean, like, they store multiple blocks in those.dat files. Can it keep validating more and…

    Started by alpha23 · Mar 28, 2022, 04:10 AM · 12 / 479
  • I got a situation here. I have two elliptic curves, E1 and E2, both over the same finite field. E1 is pretty secure, prime order, large embedding…

    Started by SwiftBull · Mar 27, 2022, 08:42 PM · 2 / 717
  • Years back, I kinda messed up my Bitcoin situation. Searched everywhere, and I found a couple of files. They're split into two parts, each 20…

    Started by orbit404 · Mar 17, 2022, 07:10 AM · 11 / 482
  • So, I just started running a Bitcoin Core node, but I’ve noticed my mempool is empty for ages, even when I have a lot of peers connected. Anyone know…

    Started by 0xNode · Mar 11, 2022, 05:30 PM · 4 / 434
  • Here's where we can track how BIP110 is doing. I'll drop updates on the node count from various sources. Expect a daily post from me with the latest…

    Started by tom51 · Mar 1, 2022, 12:29 AM · 13 / 565
  • Hey everyone, I need some help with the kangaroo algorithm. What jumps should I set in the code to locate k nonce? I know k nonce is between n-2^40…

    Started by 0x4tl4s · Mar 6, 2022, 06:47 AM · 3 / 362
  • what's up everyone, just joined here! I whipped up this little script about a year ago. I’ve been using it on puzzle 66 keys but had no luck. Now I'm…

    Started by block365 · Feb 2, 2022, 04:41 AM · 7 / 287
  • I was trying to generate 1-bit signatures using this repo I found. But I keep hitting a wall with "private key not found". I want to figure out how…

    Started by greghodler · Feb 2, 2022, 07:37 PM · 5 / 391
  • Just getting into this stuff, so bear with me. I made a smaller secp256k1 with p=43, n=31. Took point G(2, 31) as the generator and got all valid…

    Started by hash_cobra · Jan 19, 2022, 11:37 AM · 15 / 505
  • Hey all, Been working on a new public mining pool to tackle Bitcoin challenge puzzles together. Trying to make it super transparent while keeping the…

    Started by LuckyFarm · Jan 13, 2022, 09:24 AM · 19 / 556
  • This method revolves around calculating the chances of a specific prefix showing up in a set of hashes, while ignoring the less likely outcomes.

    Started by m1kes4t · Jan 3, 2022, 06:44 PM · 22 / 683
  • So, I got a public key (x, y) and its inverse (x, -y). How do we figure out which is positive and which is negative? Like, is there a simple way to…

    Started by mr_node · Dec 28, 2021, 02:34 PM · 12 / 639
  • Hey folks! Really pumped to show you something I’ve been brewing over the last few months Cyclone, touted as the fastest CPU puzzle solver out there!…

    Started by 0xWolf · Dec 22, 2021, 02:35 AM · 19 / 492
  • So, how exactly does Bitcoin Core figure out the sync time? Like, it gets the current block height and the latest chain tip from other nodes, but…

    Started by dave.fork · Dec 27, 2021, 08:24 AM · 1 / 761
  • I’m thinking about moving from Legacy Addresses to SegWit (bech32) to cut down on fees. Seems like it’ll help with congestion too if more people…

    Started by cipher_proto · Dec 24, 2021, 09:34 AM · 12 / 530