Don’t be like this guy. Don’t trust, verify. Always demand auditable source code. https://primal.net/e/ nostr:nevent1qqspzr2xfqznxmyemeapqlg5s4kkrfphx98cpwnllmrylxft55hu52cpz3mhxue69uhkummnw3ezummcw3ezuer9wc3zn5rv

I’m a cybersecurity professional… https://credentials.offsec.com/26169b61-b97d-4a18-8f18-76aa23a2e6df#acc.FGoIT4QN

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{"id":"a0ce307ed0ba6736b63572b17305ecc300ccbe340c840475a2073f320e1e74a5","pubkey":"17bd2e35a8c73f4ff7d2053c79c38309ae52ea31c63b39a127d477545f4862b7","created_at":1749629298,"kind":1,"tags":[["t","21magazin"],["t","21magazin"],["t","21magazine"],["t","21magazine"],["r","wss://eden.nostr.land/"],["r","wss://nos.lol/"],["r","wss://relay.damus.io/"],["r","wss://relay.snort.social/"]],"content":"https://blossom.primal.net/561c239957a2513df430b52133dcdba24bf5275c995e55114fd632fd3497acc9.png \n\nES IST VOLLBRACHT!!!\nAusgabe 4 vom #21magazin «Bitcoin ist souverän.» ist eingetütet und erscheint zur Zitadelle 2025. 🎉\n\nEs haben sich erst zwei Magazin-Dealer von MeetUps gemeldet, die ihren druckfrischen Stapel bei der Zitadelle in Empfang nehmen wollen. Das geht doch bestimmt besser!\n\nBitte hier melden! Selbstverständlich können sich auch alle Magazin-Dealer melden, die nicht zur Zitadelle kommen, denen senden wir die 11 Exemplare wie gehabt per Post.\n\nAlle, die kein Zitadellen-Ticket ergattern konnten oder kein MeetUp in der Region besuchen, können das #21magazin selbstverstänlich auch online https://einundzwanzig.shop oder im @DezentralshopCH beziehen.\n\nBitcoin ist, was wir daraus machen!\n\nDiesen Beitrag teilen ist v4v. 🙏 🖖 \n\n\nIT'S DONE!!!\nIssue 4 of #21magazine “Bitcoin is sovereign.” has been bagged and will be published for Citadel 2025. 🎉\n\nOnly two magazine dealers from MeetUps have contacted us to pick up their freshly printed stack at the Citadel. Surely that's better!\n\nPlease report here! Of course, all magazine dealers who do not come to the Zitadelle can also get in touch and we will send them the 11 copies by post as usual.\n\nAnyone who couldn't get a Citadel ticket or won't be attending a MeetUp in the region can of course also get the #21magazine online https://einundzwanzig.shop or in the @DezentralshopCH.\n\nBitcoin is what we make of it! 🤙 \n\nSharing this post is value for value. 🙏 🖖 ","sig":"7897503eebb9f8034b481064bfc836603bdcb00064455e1b6f272c5e3def758d445ec0ea6a297ba145d6f29584bbfa9678cdb956b13781593438ee1655579ba1"}

⚡

Where's the Sun? ;)

Fuzzing CKB-VM Into Shape: The Hidden Work Behind Meepo Do you know that a big part of Meepo’s development time went into fuzzing test, rather than writing new features? To ensure the reliability and consistency of CKB-VM upgrades on mainnet and testnet, we fuzzed both valid and invalid transactions to catch any subtle compatibility issues early. The goal was to: - Ensure stable and consist transaction execution - Prevent panics - Verify compatibility in aspects like cycle consumption and error handling across different versions and hardforks Here’s how fuzzing helped. 1/ Initial Verification: Transaction Replay 🔁 We began by replaying historical on-chain transactions (via `replay`) from mainnet and testnet to check if `cycle` consumption remained consistent in the upgraded CKB-VM. This caught several mismatches: https://image.nostr.build/72d9d82dea118a96f7001cdaf76acd272e2e0ec87f40eeb0d82214d6db7f6aba.png As the chain only contains valid transactions, this method verifies past compatibility but not future cases. To broaden coverage, we turned to fuzzing to simulate diverse transaction inputs and assess compatibility across versions, including error handling in invalid transactions. 2/ First Fuzzing Attempt 🧪 We compared the execution results of `data0` and `data1` of the pre- and post-upgrade VM versions: https://image.nostr.build/2604ddaf8c015682330ab1cc363eb4f030c8e13dd7d7aa91e418ca7a3780a178.png However, most generated test cases were invalid. The test only compared whether the errors matched, but skipped the cycle consumption for valid cases—not enough to meet our goals. 3/ Improved Fuzzing 🔧 To increase valid transaction input coverage, we refined the strategy: - Corpus Optimization: Added valid transaction data from CKB-VM tests and CKB debugger binaries to the fuzzing corpus. - Input Filtering: Modified fuzzing logic to only keep valid transactions in the corpus, further increasing the frequency of valid samples and enhancing `cycle` verification. https://image.nostr.build/fbe59fd5933449e7babf2ea5a3d6b834336f853251804c9a66fb6c81932a0ed9.png 4/ Findings 😃 Improved fuzzing uncovered bugs, including: - Crash caused by an invalid syscall parameter. Fix: https://github.com/libraries/ckb/commit/38279e118d3fda3c52f1d47d2062f80e19a2d523 - Instruction reordering led to mismatched `cycle` cost and memory out-of-bounds errors. Fix: https://github.com/libraries/ckb/commit/ea4aea7fa4cd87ce5df6dee6616466458ff5a86e - Inconsistent error handling due to mismatched `DataPieceId` behavior. Fix: https://github.com/libraries/ckb/commit/af87dd355a653eaca19a643866300cc5cd907cf5 - Address truncation in x64. Fix: https://github.com/nervosnetwork/ckb-vm/commit/f6df535bbf8864fd14684c133b1aa8026a0b0868 - Inconsistencies in memory tracking. Fix: https://github.com/nervosnetwork/ckb-vm/commit/065a6457d06aa17da4f7dfa1954a2601fc7d288b All issues were reproduced, analyzed, and added to the test corpus and the fuzzing crash directory for regression testing. 5/ Went Deeper: ISA-Level Fuzzing 🦾 In addition to compatibility testing, we fuzzed the instruction set to prevent unexpected VM panics. See: https://github.com/nervosnetwork/ckb-vm-fuzzing-test 6/ Fuzzing isn’t flashy, but it pays off. 🛡️ As we know reliability is what gives developers confidence to build. We’ll gladly keep things safe and steady—and maybe a little boring—so you don’t have to. 😎 8/ Reference Links 🔗 Fuzzing and tools: - https://github.com/nervosnetwork/ckb-vm/tree/develop/fuzz - https://github.com/libraries/schedfuzz - https://github.com/nervosnetwork/ckb-vm-fuzzing-test/ On VM 2: - https://github.com/nervosnetwork/rfcs/blob/master/rfcs/0049-ckb-vm-version-2/0049-ckb-vm-version-2.md

Sorry! I made a mistake in my post. It looks like I tagged the wrong account. nostr:nevent1qvzqqqqqqypzqkyn09vqxm8da92mykujjkpczs969h4vhrge88kerfqmuf29u6v5qyxhwumn8ghj77tpvf6jumt9qys8wumn8ghj7un9d3shjtt2wqhxummnw3ezuamfwfjkgmn9wshx5uqpr4mhxue69uhhyetvv9ujumn0wd68ytnhd9ex2erwv46zu6nsqy28wumn8ghj7un9d3shjtnyv9kh2uewd9hszythwden5te0wghxkmm2d9exztnfduq3samnwvaz7tmjv4kxz7fwwdhx7un59eek7cmfv9kqzrthwden5te0dehhxtnvdakqz9nhwden5te0wfjkccte9ec8y6tdv9kzumn9wsq3vamnwvaz7tmjv4kxz7fwdehhxarj9e3xzmnyqqsxzxyc9nznataf5pqdajdz4ln67fckzd3d6zp63dzwfvl32fpnx7cpu7pj6

🌊Bitcoin Seoul 2025🌊 Bitcoin crosses borders. That day, as I watched Bitcoin payments for my handmade goods fly in again and again, I felt that more deeply than ever. Some images in this video are from PromenadeCastle / @Oree https://video.nostr.build/1a4de9f2132a69e456cf96725c3c119f87289cde099d4ad3d25d5777710ad8cb.mp4nostr:npub1evz2dan8p8rw9gc2csaz6dhgj2na77xxwhxsynlku60du2lul94qakqkgh

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great https://developer.apple.com/documentation/technologyoverviews/adopting-liquid-glass

{"id":"61e9338f1f88832bb06af5ca936cc089130f20c47c272c8006565b489fa9d537","pubkey":"165b9d37a28903103af9ad24036bdc54270882c01add515791fc9666167cfac1","created_at":1749618497,"kind":1,"tags":[["p","2a89078b66f39e95cf9dbab2d074fd6197efb46de289b9530b7374c813e796a7","wss://relay.mostr.pub"],["e","73dffe80c51983e92135e8bd2ce1b5097bddda3b1ed9007868f5e0005ee34123","wss://relay.mostr.pub","root","2a89078b66f39e95cf9dbab2d074fd6197efb46de289b9530b7374c813e796a7"]],"content":"The first 3 days of protests were marked with an insanely high number of federal agents working as provocateurs. \n\nWhen the police just stand around and let a guy with his face covered do burnouts around a burning car left in rhe centre of the intersection so that journalists can take photos of the burning car and police in the background etc. \nShits just so obvious. \nThey used federal agents carrying Mexican flags going around starting fires smashing windows trying to encourage people to loot and riot. \n\nIf you watched any of the Livestreams of the actual protests you'd see it's two completely different crowds. \nObviously now though all the opportunists have come out to join in on the looting and rioting but that's the whole point. \n\nProblem reaction solution. \nTrump being the Zionist pedophile he is, used a false flag to justify bringing in the national guard, which caused the problem. \nNow people are reacting by blaming Mexicans or migrants in general. \nnext comes solution. ","sig":"7d297dc62f2ab5f83233cf22a828a788c675f4e04a1afc8037d2ee7795de05a63212f0c8712fee7416d0ebc5e8552ac6ba865f8a71525fdb4908efeccc72b5f4"}

🫂

Obviously ❗️ nostr:nevent1qqs2tc30v7a5fd6w2upjpvm9th9zju7c8s6cnuaaqzymg5rnsqfup6spzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhg5czers

+

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Bankers: “Quantum computing is a threat to #Bitcoin” Bitcoin:

👍

https://www.amazon.com/gp/aw/d/B08Z3B5QL3?psc=1

the US government is just fixing our vayu energy, guys https://blossom.primal.net/9635cebcb5af6b18ab5b4aa83a9a637e5de7fd3c22bc82786c2ca60901528bfd.mp4

💜

+

#art

As I watch the public protocols/platforms implode under bots and fomo (fear of missing outrage), the more convinced I am that focusing on specific crises as we are facing during extreme change, and abandoning a stress on identity, is a valid application for streaming logical maps.