Eu sou Davi de Jesus, engenheiro de produção, desenvolvedor, cristão.
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Davi de Jesus retweeted
i asked opus 5.5 to make a 3 min video about the history of bitcoin
i told claude to rely on data from my local 1.8 tb postgres database of bitcoin data (coins, blocks, hacks, attribution, everything)
here’s what opus made in 1 hour 22 mins on max effort with a 10 line prompt
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Davi de Jesus retweeted
INTRODUÇÃO À CRIPTOGRAFIA DO BITCOIN - #3 | WECLASS nitter.net/i/broadcasts/1wxWjlWEy…
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Davi de Jesus retweeted
ANDREAS ANTONOPOULOS EXPLAINING #BITCOIN TO JOE ROGAN AT $600 12 YEARS AGO 🔥
BTC "IS TRULY GLOBAL MONEY"
"MOST PEOPLE WILL USE IT AS A CURRENCY"
HE KNEW 🚀
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US @DeptofWar @PeteHegseth testified on Capitol Hill that they are running classified initiatives to gain a strategic advantage with bitcoin:native and agreed that #Bitcoin is a matter of national security.
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Bitcoin itself has never been hacked.
The ecosystem around it? 2026 is its worst year on record, more than $130M drained from “cold” hardware wallets in attacks linked to a firmware entropy flaw.
No malware. No phishing. Just weak entropy.
The protocol held. The periphery bled. The lesson is verification.
₿ btc-toolkit v1.3.1
A Bitcoin CLI built on one rule: verify everything on-chain, yourself.
7 commands. 110 tests. Zero dependencies. No Bitcoin Core required.
Powered by the @mempool public API and now, with --api-url, every query can go straight to YOUR own node instead.
Check any address, transaction, or block. In seconds. From your terminal.
pip install btc-toolkit
github.com/devdavidejesus/bt…
Don't Trust. Verify.
#Bitcoin #OpenSource
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btc-toolkit 1.4.0 — now built for pipelines.
→ stdin & --file batch mode: one JSON object per line, straight into jq
→ env vars for your own node, network and timeout
→ SECURITY.md with an honest threat model: what it protects, what it doesn't
→ every --json schema documented, with a stability policy
Still zero dependencies. pip install --upgrade btc-toolkit
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@wiz @mempool — a thank-you, not a pitch: btc-toolkit is a zero-dependency Bitcoin CLI where every byte comes from your API, and --api-url points it at any self-hosted Mempool instance (Umbrel, Start9).
Last week it decoded the whole Liquid negotiation, live: dev.to/devdavidejesus/i-read…
there's a place you list community tools built on the API, I'd be glad to submit it — and if anything in how it uses the API could be lighter on your infra, I want to know.
github.com/devdavidejesus/bt…
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👏 developers 👏
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Happy world developer day :)
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Davi de Jesus retweeted
We Must Pace the Frontier: I’ve written a new essay on why the AI industry should slow down, with a three-part plan for doing so.
Anthropic is unilaterally committing to the first of these steps. We’ll provide third-party evaluators with permanent, employee-level access to our systems, so that they can verify adherence to our safety measures, report on incidents, and assess models’ alignment during training.
You can read the full post here: darioamodei.com/post/we-must…
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Davi de Jesus retweeted
BLUEWALLET CTO FLAGS 45 APP STORE CRYPTO WALLETS FOR CRITICAL OR HIGH-RISK SECURITY ISSUES
BlueWallet’s CTO analyzed 494 of 904 iOS apps marketed as non-custodial crypto wallets and flagged 45 for potential critical or high-risk security issues.
The research focused primarily on private-key exfiltration and weak entropy, with 23 apps classified as potentially critical and 22 as high risk.
Findings included apps allegedly uploading seed phrases or private keys to servers, generating wallets with weak randomness, storing keys server-side, using hardcoded encryption keys, and loading unsigned JavaScript capable of interacting with wallet secrets.
BlueWallet’s CTO cautioned that the analysis may contain false positives and that an app not appearing on the list should not be considered proof that it is secure.
His biggest takeaway is that App Store approval and reputation alone are not enough when trusting software with meaningful amounts of Bitcoin.
I was able to decompile and analyse 494 wallets on the AppStore.
I found 45 apps that raised red flags for me during my research.
I looked specifically for 2 things: private keys exfiltration and weak entropy.
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I wrote one message into the Liquid negotiation thread. Not a plea, not a memecoin — a how-to:
"Reading raw OP_RETURN? Every message in this thread decodes from your terminal, including this one: pip install btc-toolkit && btc-toolkit opreturn <txid>. Python stdlib only, no node, MIT."
It now sits in the ledger next to the negotiation it helps you read. Verify it yourself:
btc-toolkit opreturn c989336d708279ba99e89c647010826da0a46367597933dcfc00d75f9cbb34e5
#Bitcoin #OpenSource
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Davi de Jesus retweeted
On September 11, 2001, Islamic terrorists carried out a cowardly attack and murdered nearly 3,000 Americans.
Twenty-five years later, we remember the lives lost, the heroes who ran toward the danger, and the families who still carry that loss.
We will never forget.
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CIA remembers the nearly 3,000 lives lost on 9/11 when terrorists struck the United States. We led the first strikes in Afghanistan and continue to relentlessly hunt down those who pose a threat to Americans. CIA will neither forget, nor rest in pursuit of our Nation's enemies.
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Davi de Jesus retweeted
Já se passou um quarto de século desde 11 de setembro de 2001, quando a paz de nossa nação foi abalada por terroristas. Hoje, lembramos as 2.977 vidas preciosas que nos foram tiradas, honramos os heróis que atenderam ao chamado e mantemos suas famílias no coração de nossa Nação. Acima de tudo, devemos garantir que a memória do 11 de Setembro nunca se apague, mas seja transmitida de uma geração de americanos para a próxima. Nós nunca esqueceremos. 🇺🇸
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