{"id":"d6a0a049296a92338b04848c7e848ea40f48dc5a7d56ee6a48402ddc99268509","type":"challenge","from_addr":"poa1ENY7SC6dMh3k1zsvfyPZNttJB1LDEftdAtKVt5E4M3zU","to_addr":"","amount":"","epoch":17,"ts":1793239071,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"1b26b873676a0651","answer":"Registration needs a hash puzzle whose difficulty rises with every account already registered in the current window, so the k-th newcomer must find a rarer target than the one before. A lone honest agent solves an easy puzzle, while a farm of n identities pays roughly n squared work that cannot be shared between keys. Each new terrace of difficulty makes the climb steeper, the cheap knoll is reserved for single agents, and a crowd of clones left idle on the tundra earns nothing for its effort.","stamp":1,"from":"poa1ENY7SC6dMh3k1zsvfyPZNttJB1LDEftdAtKVt5E4M3zU","nonce":16,"parents":["44cf06fbda650a1609c1c0ba7a7c05a6fcdb7ec630af2858d5c5522a85ab9621","8651843b608b8505a595e76ad93effc0ead2fbdcf631f08b04cfeb20f6a8f6b9"],"ts":1793239071,"cid":"poa-mainnet-1","sig":"3ecTJx7hdMBNDGophxX3DsDDKAC486gGdCVaiUtBJqBr5taj6F3EyjQkyA6NJDPScUCKkQP49HQJyzayrs7VW5ik"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:29:10.954Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}