# Bitcoin **URL:** https://paulscode.com/c/bitcoin/8.md [Latest](https://paulscode.com/latest.md) · [Categories](https://paulscode.com/categories.md) · [Tags](https://paulscode.com/tags.md) --- ## [About the Bitcoin category](https://paulscode.com/t/about-the-bitcoin-category/394)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 0\ **Last updated:** [July 13, 2024, 6:04pm UTC](https://paulscode.com/t/about-the-bitcoin-category/394 "2024-07-13T18:04:54Z")
This category is for discussions related to Bitcoin. It may encompass any aspect of the Bitcoin ecosystem, including economics, mining, nodes, wallets, debunking FUD, etc. etc. --- ## [Knots (SHA256), version 31.2.knots-sha256.20261031 released](https://paulscode.com/t/knots-sha256-version-31-2-knots-sha256-20261031-released/1379)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 2\ **Last updated:** [November 12, 2026, 1:12am UTC](https://paulscode.com/t/knots-sha256-version-31-2-knots-sha256-20261031-released/1379 "2026-11-12T01:12:00Z")
Knots (SHA256) version 31.2.knots-sha256.20261031 released. The StartOS wrapper fixes compatibility with the latest version of Electrs. --- ## [Issue with Electrs pruned syncing](https://paulscode.com/t/issue-with-electrs-pruned-syncing/1347)
**Author:** [@NumbSkull](https://paulscode.com/u/NumbSkull)\ **Replies:** 5\ **Last updated:** [November 11, 2026, 1:00pm UTC](https://paulscode.com/t/issue-with-electrs-pruned-syncing/1347 "2026-11-11T13:00:21Z")
I have Electrs pruned and Knots(sha256) pruned, it was previously fully synced and working. I shut the node and Electrs down for awhile because I wasn’t using them. I recently started the node back up and let it sync, st… --- ## [Lightning Fork on BLAKE2b (beta testers needed)](https://paulscode.com/t/lightning-fork-on-blake2b-beta-testers-needed/1292)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 56\ **Last updated:** [November 10, 2026, 11:24pm UTC](https://paulscode.com/t/lightning-fork-on-blake2b-beta-testers-needed/1292 "2026-11-10T23:24:46Z")
I’ve implemented a lightning node for the BLAKE2b chain, called “Lightning Fork”. Of course, bootstrapping this thing requires folks to lock up sats and create a network of channels, before it can be of any use. Anyone h… --- ## [Limiting spam (sha256)](https://paulscode.com/t/limiting-spam-sha256/1383)
**Author:** [@henrik](https://paulscode.com/u/henrik)\ **Replies:** 3\ **Last updated:** [November 9, 2026, 8:10am UTC](https://paulscode.com/t/limiting-spam-sha256/1383 "2026-11-09T08:10:10Z")
Hi @Paul I was looking at Twitter and saw this interesting tweet: Is this code included in your sha256 release or do you think it is possible to include it? --- ## [Sparrow and Shrike not connecting at all](https://paulscode.com/t/sparrow-and-shrike-not-connecting-at-all/1365)
**Author:** [@PltBlCr7](https://paulscode.com/u/PltBlCr7)\ **Replies:** 13\ **Last updated:** [November 5, 2026, 10:51am UTC](https://paulscode.com/t/sparrow-and-shrike-not-connecting-at-all/1365 "2026-11-05T10:51:08Z")
I can not get connected on Sparrow nor Shrike as it says Could not connect: Tor socks proxy is not yet instantiated. What happened? The thing is this must be a general hick-up as I got disconnected before I updated to… --- ## [Umbrel User trouble with Pruned Electrs (Pauls Code Version)](https://paulscode.com/t/umbrel-user-trouble-with-pruned-electrs-pauls-code-version/1352)
**Author:** [@Maverick](https://paulscode.com/u/Maverick)\ **Replies:** 7\ **Last updated:** [November 4, 2026, 8:49pm UTC](https://paulscode.com/t/umbrel-user-trouble-with-pruned-electrs-pauls-code-version/1352 "2026-11-04T20:49:35Z")
Hi guys, I have a friend on the Knots Discord that has an Umbrel running Knots 29.4.2 and went to the Pauls Code community store to download the Electrs Pruned version for indexing on the Blake2b chain. His IBD is show… --- ## [Running Knots Blake2b on Start9 but need to replay protect cold storage bitcoin](https://paulscode.com/t/running-knots-blake2b-on-start9-but-need-to-replay-protect-cold-storage-bitcoin/1334)
**Author:** [@Underscore](https://paulscode.com/u/Underscore)\ **Replies:** 25\ **Last updated:** [November 4, 2026, 2:03pm UTC](https://paulscode.com/t/running-knots-blake2b-on-start9-but-need-to-replay-protect-cold-storage-bitcoin/1334 "2026-11-04T14:03:39Z")
Trying to be sure I understand how this works. I have to relearn these things as brand new at times since easy for 2 months to go by between efforts. Constant struggle to connect thinking through what to do and actual … --- ## [My official Start9 registry](https://paulscode.com/t/my-official-start9-registry/1121)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 23\ **Last updated:** [November 3, 2026, 10:59pm UTC](https://paulscode.com/t/my-official-start9-registry/1121 "2026-11-03T22:59:09Z")
Since I have been building a number of custom Start9 services, I decided to have them all available in a single location, which will eliminate the need to side-load, and will come with notifications when I publish update… --- ## [Start9 new updated version 0.4.1.4](https://paulscode.com/t/start9-new-updated-version-0-4-1-4/1378)
**Author:** [@PltBlCr7](https://paulscode.com/u/PltBlCr7)\ **Replies:** 3\ **Last updated:** [November 3, 2026, 10:57pm UTC](https://paulscode.com/t/start9-new-updated-version-0-4-1-4/1378 "2026-11-03T22:57:49Z")
@paul The new updated versions of Shrike and Sparrow do work now with the .onion links from Start9, but, after the new updated version on Start9, v0.4.1.1, the Marketplace Registries don’t allow any Updates, Switches, no… --- ## [Knots (Sha256) Companion sync / Electrs Pruned indexing / Replay protect strategy - Tips on accelerating Knots sync? (Start9)](https://paulscode.com/t/knots-sha256-companion-sync-electrs-pruned-indexing-replay-protect-strategy-tips-on-accelerating-knots-sync-start9/1360)
**Author:** [@Underscore](https://paulscode.com/u/Underscore)\ **Replies:** 23\ **Last updated:** [November 3, 2026, 10:25pm UTC](https://paulscode.com/t/knots-sha256-companion-sync-electrs-pruned-indexing-replay-protect-strategy-tips-on-accelerating-knots-sync-start9/1360 "2026-11-03T22:25:33Z")
Does this look about right? Any way to accelerate or do I just need to adjust my expectations? :slight\_smile: I need this for a Sparrow hot wallet (following previous advice on how to replay protect sha256 stack → Run… --- ## [Knots (SHA256), version knots31.1.knots-sha256.20261018 released](https://paulscode.com/t/knots-sha256-version-knots31-1-knots-sha256-20261018-released/1358)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 14\ **Last updated:** [November 3, 2026, 6:34pm UTC](https://paulscode.com/t/knots-sha256-version-knots31-1-knots-sha256-20261018-released/1358 "2026-11-03T18:34:46Z")
I have finally gotten my Core \> Knots transmogrification process ironed out, robust against attack, and redundant. I’ve run version 31.1 through, and shipped my first release (knots31.1.knots-sha256.20261018). Please rea… --- ## [Reviewing code with the help of AI](https://paulscode.com/t/reviewing-code-with-the-help-of-ai/1354)
**Author:** [@Greg](https://paulscode.com/u/Greg)\ **Replies:** 3\ **Last updated:** [November 2, 2026, 6:52am UTC](https://paulscode.com/t/reviewing-code-with-the-help-of-ai/1354 "2026-11-02T06:52:06Z")
I want to use Claude to help me understand what the code is doing and I am trying to review and understand PR 468. Stupid question ahead: Do I download the Knots code and the PR and paste it all into Claude? Feel like… --- ## [Sparrow Blake Mining](https://paulscode.com/t/sparrow-blake-mining/1375)
**Author:** [@leapfrog](https://paulscode.com/u/leapfrog)\ **Replies:** 0\ **Last updated:** [November 1, 2026, 7:03pm UTC](https://paulscode.com/t/sparrow-blake-mining/1375 "2026-11-01T19:03:22Z")
The fiat values on Blake2b Sparrow Wallet have not been displaying for several days. Is there a setting other than ‘Hide Amounts’ that controls the setting for displaying those amounts? --- ## [Block Health - A concern, worth investigating or doesn't matter...?](https://paulscode.com/t/block-health-a-concern-worth-investigating-or-doesnt-matter/1370)
**Author:** [@Underscore](https://paulscode.com/u/Underscore)\ **Replies:** 0\ **Last updated:** [October 31, 2026, 3:15pm UTC](https://paulscode.com/t/block-health-a-concern-worth-investigating-or-doesnt-matter/1370 "2026-10-31T15:15:37Z")
I’m curious about this stat. What does it mean exactly? I understand the description - the mined block doesn’t look like the expected block - straightforward. But beyond that – Why is this important to know? How do … --- ## [Linux kernel bug CVE-2026-98432 and your Lightning node](https://paulscode.com/t/linux-kernel-bug-cve-2026-98432-and-your-lightning-node/1367)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 0\ **Last updated:** [October 30, 2026, 2:19pm UTC](https://paulscode.com/t/linux-kernel-bug-cve-2026-98432-and-your-lightning-node/1367 "2026-10-30T14:19:08Z")
A serious bug was found in the Linux kernel, the core of the operating system under both StartOS and Umbrel. A working attack has been shown against Lightning nodes that accept connections directly from the internet. A f… --- ## [Bitcoin Knots 29.4.3](https://paulscode.com/t/bitcoin-knots-29-4-3/1356)
**Author:** [@adababba](https://paulscode.com/u/adababba)\ **Replies:** 11\ **Last updated:** [October 29, 2026, 11:34pm UTC](https://paulscode.com/t/bitcoin-knots-29-4-3/1356 "2026-10-29T23:34:59Z")
Release notes xbt.live coverage Are there plans to update Blake2b Companion before 10/31 so we can have a 29.4.3 node running by block 979,919? Many thanks Paul! --- ## [HashGG 0.7.2:6 tunnel issues](https://paulscode.com/t/hashgg-0-7-2-6-tunnel-issues/1366)
**Author:** [@db7011](https://paulscode.com/u/db7011)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 8:07pm UTC](https://paulscode.com/t/hashgg-0-7-2-6-tunnel-issues/1366 "2026-10-29T20:07:07Z")
Hi Paul/All, I just tried to upgrade HashGG 0.7.2:6 from prior version on my Start9 StartOS 0.4.0.2. I have been using BitLaunch VPS which as been working fine for months prior to this latest HashGG update. Now I see h… --- ## [Lightning fork bridge not connecting](https://paulscode.com/t/lightning-fork-bridge-not-connecting/1359)
**Author:** [@Mikey](https://paulscode.com/u/Mikey)\ **Replies:** 3\ **Last updated:** [October 28, 2026, 1:49pm UTC](https://paulscode.com/t/lightning-fork-bridge-not-connecting/1359 "2026-10-28T13:49:02Z")
Doesn’t allow me upload attachments. But I have the log in txt format 2026-10-28T03:59:19+00:00 2026-10-28 03:59:19.100 \[WRN\] BRPC: Bridge could not read the bitcoin tip: reading the SHA256 node's tip: rpc error: cod… --- ## [Electrs Pruned, Important Update](https://paulscode.com/t/electrs-pruned-important-update/1357)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 0\ **Last updated:** [October 27, 2026, 8:13pm UTC](https://paulscode.com/t/electrs-pruned-important-update/1357 "2026-10-27T20:13:09Z")
I pushed an important update for Electrs Pruned which prevents Bitcoin Knots and Bitcoin Knots (BLAKE2b) Companion from getting stuck when you do the next update if you have Electrs Pruned integrated with either of them.… --- ## [Medium of Exchange (Bitcoin BLAKE2b, Lightning)](https://paulscode.com/t/medium-of-exchange-bitcoin-blake2b-lightning/1349)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 8\ **Last updated:** [October 26, 2026, 11:33pm UTC](https://paulscode.com/t/medium-of-exchange-bitcoin-blake2b-lightning/1349 "2026-10-26T23:33:45Z")
Short video of me spending Bitcoin BLAKE2b sats to purchase lunch at Steak 'n Shake, using Lightning Fork to integrate the BLAKE2b and SHA256 lightning networks. --- ## [Datum Gateway (Blake2b) Companion](https://paulscode.com/t/datum-gateway-blake2b-companion/1355)
**Author:** [@leapfrog](https://paulscode.com/u/leapfrog)\ **Replies:** 4\ **Last updated:** [October 25, 2026, 6:40pm UTC](https://paulscode.com/t/datum-gateway-blake2b-companion/1355 "2026-10-25T18:40:07Z")
Solo mining with an iBeLink BM-S3+ and just noticed that the Stratum (vers.1.0.0:57) interface indicator has failed to turn green, it is still red. Dashboard otherwise looks normal, status light is green, accepting share… --- ## [Lightning Fork Swap](https://paulscode.com/t/lightning-fork-swap/1339)
**Author:** [@paul](https://paulscode.com/u/paul)\ **Replies:** 3\ **Last updated:** [October 25, 2026, 6:32pm UTC](https://paulscode.com/t/lightning-fork-swap/1339 "2026-10-25T18:32:49Z")
I ported Boltz to the BLAKE2b chain, and it is available at https://lightningfork.com The primary use-case of course is to easily create inbound liquidity: Open a channel, send sats back to the on-chain wallet using th… --- ## [Safely Moving Pre-Fork BTC to XBT](https://paulscode.com/t/safely-moving-pre-fork-btc-to-xbt/1321)
**Author:** [@Dennis66](https://paulscode.com/u/Dennis66)\ **Replies:** 29\ **Last updated:** [October 25, 2026, 6:31pm UTC](https://paulscode.com/t/safely-moving-pre-fork-btc-to-xbt/1321 "2026-10-25T18:31:20Z")
We have some SATS BTC from before the SHA256/BLAKE2b fork. Now we want to move the corresponding XBT on the new BLAKE2b chain to an XBT wallet, while leaving the original BTC on the SHA256 chain completely untouched. W… --- ## [Start9 node with both SHA-256 and BLAKE2B chains](https://paulscode.com/t/start9-node-with-both-sha-256-and-blake2b-chains/1338)
**Author:** [@JGalt](https://paulscode.com/u/JGalt)\ **Replies:** 27\ **Last updated:** [October 25, 2026, 12:05am UTC](https://paulscode.com/t/start9-node-with-both-sha-256-and-blake2b-chains/1338 "2026-10-25T00:05:07Z")
Is it possible to run both a Knots (blake2b) and Knots (preRDTS) or Core on a single Start9? --- ## [DATUM Gateway Retropex](https://paulscode.com/t/datum-gateway-retropex/1282)
**Author:** [@Greg](https://paulscode.com/u/Greg)\ **Replies:** 30\ **Last updated:** [October 22, 2026, 12:56am UTC](https://paulscode.com/t/datum-gateway-retropex/1282 "2026-10-22T00:56:56Z")
This is going to be a stab in the dark because I have not seen it mentioned here. I’m testing my DATUM gateway with Convoy in pool mode but I cant seem to get it working. The gateway is #pow:0.4.1:23 from mempool.guide … --- ## [Start9 electrs update reverts to bitcoin core](https://paulscode.com/t/start9-electrs-update-reverts-to-bitcoin-core/1303)
**Author:** [@kot](https://paulscode.com/u/kot)\ **Replies:** 40\ **Last updated:** [October 20, 2026, 5:00am UTC](https://paulscode.com/t/start9-electrs-update-reverts-to-bitcoin-core/1303 "2026-10-20T05:00:19Z")
Paul Updated Electrs today on start9 and from what I can tell it requires bitcoin core version 31… or greater, wont work with Bitcoin Knots on this setup. I attempted to sideload the prior version of electrs but it was… --- ## [MacOS for running Knots](https://paulscode.com/t/macos-for-running-knots/1232)
**Author:** [@kkai9](https://paulscode.com/u/kkai9)\ **Replies:** 20\ **Last updated:** [October 20, 2026, 3:39am UTC](https://paulscode.com/t/macos-for-running-knots/1232 "2026-10-20T03:39:37Z")
Will a 2019 Mac desktop with 8 GB of memory and 1 TB SSD be sufficient (3.6GHZ quad core intel chip) for running knots? I don’t think ram or SSD can be really upgraded on this computer. --- ## [Multiple miners and mining](https://paulscode.com/t/multiple-miners-and-mining/1343)
**Author:** [@leapfrog](https://paulscode.com/u/leapfrog)\ **Replies:** 6\ **Last updated:** [October 14, 2026, 2:15pm UTC](https://paulscode.com/t/multiple-miners-and-mining/1343 "2026-10-14T14:15:19Z")
Is it possible to solo mine and pool mine simultaneously if you have multiple ASICS ? and, How difficult and what mandatory changes are required to switch between, say, pooled mining and solo mining? And, are the steps… --- ## [Bitcoin Knots wallet for umbrel](https://paulscode.com/t/bitcoin-knots-wallet-for-umbrel/1337)
**Author:** [@OntarioMiner](https://paulscode.com/u/OntarioMiner)\ **Replies:** 3\ **Last updated:** [October 10, 2026, 2:49am UTC](https://paulscode.com/t/bitcoin-knots-wallet-for-umbrel/1337 "2026-10-10T02:49:35Z")
Good Evening Everyone Just wondering since I’m running a pruned bitcoin knots node in umbrel if we had a wallet app for umbrel that works alongside the synced node. This would be used to create a new bitcoin knots walle… [Next page](https://paulscode.com/c/bitcoin/8.md?page=1)