BTCertify @BTCertify
Timestamp. Sign. Engrave. On Bitcoin. Lauching soon. btcertify.com Joined October 2025-
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Your turn What would you stamp first—contract, design, code, or research note? Reply below 👇
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Use cases (rapid-fire) Creators protecting drafts. Freelancers proving delivery. Educators timestamping exams. Studios locking pre-release assets. Labs proving priority. Save a tweet forever. Same primitive: hash + on-chain timestamp.
How it works ? Thread 🧵 Seal any document on Bitcoin in 3 steps: Pick a file → get its hash Anchor the hash on-chain (OP_RETURN) Verify publicly forever. No sidechains. No L2. Just #Bitcoin
Why base layer Why not a sidechain? Because the strongest guarantees live on the base layer. Anyone can verify with Bitcoin Core or their favorite explorer. That’s the standard we’re building for.
Privacy by design Your file never leaves your device. We anchor the hash, not the contents. The proof is public; your data stays yours. 🧡 #Bitcoin
BitcoinEkiti @BitcoinEkiti
286 Followers 422 Following Building a #Bitcoin Circular Economy in Ekiti State.🇳🇬 Lightnode: @MyfirstBitcoin_ #Africa
Hasheur @PowerHasheur
458K Followers 1K Following Owen Simonin | YouTube 🎥 Entrepreneur 💼 #Bitcoin: Je vulgarise et décortique à vos cotés les nouvelles techs et investissements | CEO @Meria_Finance
LOL @txdotlol
1K Followers 1 Following Layer of Language: https://t.co/LlcFgHZRs2 | A decentralized Uncensored AI Network.
Ava Chow @achow101
9K Followers 160 Following **UNMONITORED** | Bitcoin Core contributor | mod @ https://t.co/8Xjvw28uR3 and https://t.co/SNHJDjMBF6 | She/her 🏳️⚧️
OpenTimestamps @opentimestamps
7K Followers 7 Following Scalable, Trust-Minimized, Distributed Timestamping with Bitcoin. (This account is controlled by @peterktodd) 97DDKmdqUcdU5EViLYuWydBE72W9inSbJVmN62GyBAGS
Peter Todd @peterktodd
206K Followers 1K Following @opentimestamps founder pgp: 37EC7D7B0A217CDB4B4E007E7FAB114267E4FA04 25JUPL6ksapY1iCLWkFcSaXaA6Ar3W7JDCdPjeSApump 🇺🇦🇮🇱🇹🇼
mempool @mempool
53K Followers 594 Following Explore the full Bitcoin ecosystem® → https://t.co/buY5WKJ2js Be your own explorer® → The Mempool Open Source Project® Stuck Transaction? Mempool Accelerator® fixes this
Bitcoin Optech @bitcoinoptech
18K Followers 25 Following We provide weekly newsletters, workshops, case studies, and research for the #Bitcoin community.
Bitcoin Core Project @bitcoincoreorg
187K Followers 0 Following The Official Bitcoin Core Feed (RT/Fav/Follow does not imply endorsement)
Hennadii Stepanov @hhebasto
3K Followers 411 Following @bitcoincoreorg maintainer supported by @bitcoinbrink npub1dvkcmq4prwxuefmccldvcauslevf3hkyt0r5p6ea2k2q7v7hketqc33z0p
Coinbase 🛡️ @coinbase
7.0M Followers 172 Following The future of finance is on Coinbase. For support: @CoinbaseSupport
Spiral @spiralbtc
101K Followers 1 Following Making bitcoin more than an investment. Nostr: https://t.co/bzC7DyQO76
b10c @0xB10C
10K Followers 223 Following Bitcoin developer and observer. @OpenSats grantee. Previously funded by @spiralbtc, @hrf, @bitcoinbrink, and @coinbase. [email protected] (not an e-mail address)
David A. Harding @hrdng
12K Followers 62 Following Technical writer @bitcoinoptech, co-author Mastering Bitcoin (3rd ed.), and grant committee member @bitcoinbrink. Opinions are my own.
OpenSats @OpenSats
17K Followers 1 Following sustainable freedom tech funding powered by sats - 100% pass through with no management fees - 501(c)(3) - bitcoin for a better world!
Chaincode Labs @ChaincodeLabs
16K Followers 8 Following Chaincode Labs is a research and development group for Bitcoin and related technologies.
no bullshit bitcoin @nobsbitcoin
20K Followers 97 Following a news desk for bitcoiners by bitcoiners without ads, paywalls, or clickbait -- support us: https://t.co/VYSKHc2vej -- https://t.co/z1XKcSTrFb
Bitcoin Magazine @BitcoinMagazine
4.2M Followers 1K Following The Most Trusted Voice In #Bitcoin 🟠 • Find us https://t.co/X4mXn4g3Oo
Bitcoin Merges @BitcoinMerges
10K Followers 3 Following Unofficial bot for pull requests that are merged into the current Bitcoin reference implementation built by @BitcoinPierre
Braiins @Braiins
49K Followers 922 Following Infrastructure for bitcoin, energy, and capital. Since 2010.
Bitcoin Core PR Revie... @BitcoinCorePRs
5K Followers 4 Following A club for learning, discussing, and reviewing Bitcoin Core PRs together on IRC. See https://t.co/feLSDsJkge for more!
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