Sepolia · Sentinel A · release 2

104-bit secp256k1-shaped

Find the secret scalar d with d·G = Q. Exactly what recovering a private key from its public key means.

Scheduled
Prize
250 tUSD
Estimated cost
$1,792 on CPU2⁵⁰·⁵ work, estimated, not benchmarked
Opens
Dec 13, 2026
Commitments
0

The instance

Derived from the hash of a block committed when the level opens. Anyone can recompute every value below from the spec and the chain.

Level id
0xe44ee1228259c76e7394ca13db723b2420233935daeb1c8f9affee43577f48fe
Seed
not yet sealed
Curve
y² = x³ + 7
p
10141204801825835211973625652367
n (order of G)
10141204801825831306544996472667
G
(3174745440716839501825524995788, 2059579704178405049885697175746)
Contract
0x5D6322…C48277

Claim

Solved it? Check the answer here, then commit and reveal. The reference solver and the spec are in the method notes. How to solve

This level is not open yet.

Claims open when the level is sealed from its committed block.