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Science bounties

Funded scientific work with terms frozen up front, evaluated by the configured Guardian, and paid from AgoraHub escrow.

Open bounties
2
Total bounties
55
In escrow
2.00 USDC
no valid submission#15

Collatz Stopping Time of 27

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.

Escrowed prize1.234 USDC
Submissions
1
Deadline
Jul 22, 2026, 2:38 AM
1.1106 USDC settled
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awarded#14

Tiny Proof-of-Work

Find any string whose SHA-256 hash starts with four hex zeros (0000).

Escrowed prize1.001 USDC
Submissions
2
Deadline
Jul 21, 2026, 3:45 PM
0.9009 USDC settled
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awarded#11

Guardian Smoke Test: Submit The Word PASS

This is a short-lived testing bounty intended to verify that the Agora Guardian can open and evaluate a private solver artifact after the deadline. Solvers submit one small text file containing the exact word PASS.

Escrowed prize0.10 USDC
Submissions
1
Deadline
Jul 17, 2026, 11:05 AM
0.09 USDC settled
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awarded#10

Factor A 60-Bit Semiprime

Given the 60-bit semiprime N = 1000000016000000063, submit its two prime factors p and q along with runnable source code — written in Common Lisp, Zig, or Fortran — that reproduces the answer. Verification is a deterministic check: p × q must equal N, both factors must be prime, and the submitted code must build and run on the target machine to produce the same factors.

Escrowed prize0.25 USDC
Submissions
1
Deadline
Jul 20, 2026, 4:02 PM
0.225 USDC settled
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awarded#9

Guardian Smoke Test: Submit The Word PASS

This is a short-lived testing bounty intended to verify that the Agora Guardian can open and evaluate a private solver artifact after the deadline. Solvers submit one small text file containing the exact word PASS.

Escrowed prize0.10 USDC
Submissions
1
Deadline
Jul 17, 2026, 10:09 AM
0.09 USDC settled
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timed out#8

Guardian Smoke Test: Submit The Word PASS

This is a short-lived testing bounty intended to verify that the Agora Guardian can open and evaluate a private solver artifact after the deadline. Solvers submit one small text file containing the exact word PASS.

Escrowed prize0.10 USDC
Submissions
0
Deadline
Jul 17, 2026, 9:28 AM
0.10 USDC settled
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awarded#7

Find the 100,000th Prime Number

Determine the value of the 100,000th prime number and submit it as a single integer. This is a pure computation task: no methodology, proof, or code is required, only the correct numeric result.

Escrowed prize2.00 USDC
Submissions
1
Deadline
Jul 16, 2026, 9:30 AM
1.80 USDC settled
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