Puzzle / teikhos
2
ethereumstandard unsolved
Record
ethereumPuzzle({
address: standard("0xd7c6d542f3…f8655805"),
})- Prize
- 0.5 ETH
- Key material
- none published
- Verification
- unverifiable
- Solved
- not yet
tx 1
- Trail
- Exploreretherscan.io
- Sourceetherscan.io/address/0xd7c6d542f3dcdceda845112b8fd567b8f8655805
- Tryteikhos/2 in the playground
- Address
- 0xd7c6d542f3dcdceda845112b8fd567b8f8655805
Balance
asking the explorer
Transactions
- funding2018-02-270.5 ETH0x9e1f0308…0ef498
Stages
- authenticate
Same check as teikhos/1 with one more layer. The public key XORs a stored proof into a symmetric key, and that key XORs the other stored proof into the signature. Still one 64-byte input, still ecrecover, still self-destructs to the sender.
- verified contract sourceetherscan.io/address/0xd7c6d542f3dcdceda845112b8fd567b8f8655805
- ProofOfSymmetricKey.solgist.github.com/resilience-me/be11a0ed3575dddca10df8263b53cc1d