I Told You Tomorrow: Practical Time-Locked Secrets using Smart Contracts
Enrico Bacis, Dario Facchinetti, Marco Guarnieri, Marco Rosa, Matthew Rossi, Stefano Paraboschi · 2021
A Time-Lock enables the release of a secret at a future point in time. Many approaches implement Time-Locks as cryptographic puzzles, binding the recovery of the secret to the solution of the puzzle. Since the time required to find the puzzle’s solution may vary due to a multitude of factors, including the computational effort spent, these solutions may not suit all scenarios.