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"}

{"id":"50dad88a50069dd4214ddbbf9f254a36842ae8e4beaf9ed03207377744be9c13","pubkey":"06830f6cb5925bd82cca59bda848f0056666dff046c5382963a997a234da40c5","created_at":1749483188,"kind":1,"tags":[["p","5d39170696978f274f81b8534ddccf7cdce5a5c0a69ba91fab9f0e5436b4abb1"," wss://ditto.pub/relay","mention"],["t","Zapgoals"],["t","vibecoded"],["t","devstr"],["t","nostr"]],"content":"#Zapgoals is a concept within the Nostr ecosystem, primarily defined by Nostr Implementation Possibility (NIP) 75,, which outlines a standard for creating decentralized fundraising goals.\n\nZapgoals allows users to set up public fundraising goals on the Nostr network. Other users can then contribute funds towards these goals by sending \"zaps\" (Bitcoin Lightning Network payments) directly to the goal event. A Zap Goal is represented by a specific type of Nostr event, identified by `kind: 9041`.\n\nIt also provides a transparent, decentralized, and censorship-resistant way to crowdfund or raise money for specific objectives within the Nostr ecosystem, leveraging Bitcoin's Lightning Network for instant, low-cost payments.\n\nhttps://zapgoals.turiz.space \n\n#vibecoded #devstr #nostr nostr:nprofile1qqs96wghq6tf0re8f7qms56dmn8heh895hq2dxafr74e7rj5x662hvgpzcs8wumn8ghj7erfw36x7tnsw43z7un9d3shjqg4waehxw309aex2mrp0yhx6mmnw3ezuur4vgeep8pr 😁","sig":"4023f7a47e295d6ff4c354307ad577121127f8635bc3f937df37f1b69f101604981e027275e9d433c5065ad2377a8721b922adaf89f02ff9b7a70968016484cf"}

🐢🐰赛跑 ，🐢最后超过了🐰。小心眼的🐢😵‍💫 ，🐰着了你的道，你又是着了别人的道。

⚡

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

Super interested in the MicroSeed but couldn't find a way in your store to purchae with Bitcoin.

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

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🫂

Obviously ❗️ nostr:nevent1qqs2tc30v7a5fd6w2upjpvm9th9zju7c8s6cnuaaqzymg5rnsqfup6spzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhg5czers

🤙

🤙

I’m a fan of the hybrid approach - a static site generator like Hugo with a fully custom ui. you get the best parts of the static site generator like content conventions/tagging/compilation, but the uiux is custom.

good morning

+

You responded to me once, I think, and I'm a nobody on here (that's fine, I get it, and my stance invites it, too... I don't fit.) But, mainly I wanted to point out that you have 170K+ followers. You scratch your butt and post about it and you probably have 100 responses. You post something interesting, and you could spend a couple days dealing with the responses. You know all of this, of course... I mean, I assume that is the situation. I just scrolled through the responses to see if anybody else pointed this out, and nope, not that I saw, so... here you go.

Ah! Vou precisar tirar férias forçadas do Nostr, fui emparedada.  "Se parar de perder tempo com isso, te levo para conhecer minha casa na serra"  disse ele.Casa na serra? Casada há três anos e nunca soube dessa casa. Gostei da surpresa.  Aqui fez muito frio, agora está a 6°C. Nos dias gelados, escrevi "O delírio de uma deusa". Na noite passada, finalizei a última estrofe. Mais um poema que mostra minha loucura e arrogância.  Se alguém quiser ler, deixo o link abaixo. E lembre-se da maldição: nunca leia minha poesia em voz alta!  Hoje escutei o Concerto para violino e orquestra em Ré maior, op. 35, de Tchaikovsky. Que música linda. Eu voltarei... fodam-se!  Ayalah Poemas: O Delírio de uma Deusa  https://ayalahpoemas.blogspot.com/2025/06/o-delirio-de-uma-deusa.html?m=1

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