Og-zkp – Prove your Bitcoin OG status in zero-knowledge
Prove you're a Bitcoin OG without doxxing your wallet address history.
Trustless dead man's switch for Bitcoin via Shamir SSS, but execution risk and regulatory uncertainty loom.
Bitcoin holders wanting trustless estate planning without lawyers or custodians
Casa Wallet · Unchained Capital · Coinbase Vault
Prove you're a Bitcoin OG without doxxing your wallet address history.
Visually polished widget dashboard but lacks unique data sources or analysis features.
This reads like a GPU engineer's field notes — one ~3,400-line CUDA file implements a full per-thread crypto pipeline (key gen → EC multiply → SHA-256 → RIPEMD-160) and a two-stage bloom+binary-search matcher to check ~3,100 targets at ~100M keys per batch. The article digs into concrete low-level choices (LUT layout, memory hierarchy, __ldg reads, atomicCAS reporting, and per-mode keygen strategies), which is rare in public writeups; downside is it's closed-source and the dual-use/ethical implications should be called out more explicitly.
Clipboard swap attack detection is a real security hole nobody else watches.
Fun geography drill, but Seterra and Worldle already dominate this space.
Company brain for AI agents when Prism and GBrain already exist.