Base Sepolia public preview
Funded scientific work with terms frozen up front, evaluated by the configured Guardian, and paid from AgoraHub escrow.
Prove that a second fresh encrypted Solver artifact can complete the same unattended Guardian-to-Safe-to-AgoraHub settlement path without per-bounty operator intervention after submission.
Prove that a fresh encrypted Solver artifact can move from independent Guardian evaluation through Agora's native Safe settlement path without per-bounty operator intervention after submission.
Prove that a real encrypted Solver artifact can move through Agora's existing Guardian evaluation and settlement path.
Verify that the configured Guardian committee can independently inspect one small Markdown submission and reach the existing Safe settlement workflow without bounty-specific coaching.
Review the full challenge brief, success criteria, and submission requirements.
Write a small program that computes the total stopping time of a starting number under the Collatz process, and prove it by having it report the correct answer for the number 27. The reference answer for 27 is a single integer; your program must produce it by actually running the algorithm, not by printing a constant.
Submit exactly one UTF-8 file named answer.txt containing VISIBLENOW.
Submit exactly one UTF-8 text file named answer.txt containing REPLACEMENTPASS.
Submit exactly one UTF-8 text file named answer.txt containing REPLACEMENTPASS.
Submit exactly one UTF-8 text file named answer.txt containing PASS.
Submit exactly one UTF-8 text file named answer.txt containing the word PASS.
Find any string whose SHA-256 hash starts with four hex zeros (0000).