{"type":"rich","version":"1.0","author_name":"Amboss (npub19t…9nlea)","author_url":"https://nostr.ae/npub19tcpurtt6xulhw0r6sc404j9jraj0h8me2lzs7z2tqewz7l0hpas59nlea","provider_name":"njump","provider_url":"https://nostr.ae","html":"This week we shipped 4 interactive explainers on the crypto foundations of Bitcoin and Lightning:\n\nHash collisions\nEvery Bitcoin address has an absurd number of valid private keys that can spend it. Collisions are guaranteed… and still impractical to find.\nhttps://drop.amboss.tech/hash-explainer.html\n\nSignatures: Nonce reuse\nSony lost the PS3 master key because one number got used twice. The same bug drained Bitcoin wallets in 2013.\nRun the attack yourself on real secp256k1 — 77 microseconds.\nhttps://drop.amboss.tech/signatures-explainer.html\n\nWhat the blockchain sees of a Lightning payment\nNothing.\nNo block. No confirmation. No permanent record. Nobody along the route can take a single sat.\nhttps://drop.amboss.tech/lightning-explainer.html\n\nSWIFT vs Lightning\nIn 2016, hackers stole $951M from Bangladesh’s central bank using correctly authenticated SWIFT messages.\nSWIFT only carries instructions, which is why international wires still take 1–5 days through correspondent bank hops.\nhttps://drop.amboss.tech/swift-explainer.html\n\nHappy routing ⚡"}