Scoped programs. Published rules. Real bounties.
Every program defines its authorized surfaces, its S1WE categories and its bounty range up front. Testing happens in sponsor sandboxes with synthetic assets only.
Authorized testing only
- —Use only approved accounts, systems, and scenarios.
- —Do not interact with uninvolved people.
- —Do not cause real financial loss.
- —Do not access accounts without authorization.
- —Do not obtain or submit stolen credentials.
- —Do not harass, dox, threaten, or extort anyone.
- —Stop testing if you encounter real victim harm.
Matchline · Dating platform · Public
Matchline Romance Scam Defense
Test whether Matchline's romance-scam interventions fire when they should. All testing uses sponsor-provided synthetic profiles inside the Matchline sandbox tenant.
S1WE-200 · S1WE-300 · S1WE-400 · S1WE-900
up to $20,000
38 resolved · 1.4 days avg response
Northstar Bank · Banking · Private
Northstar Account Integrity Program
Enrollment, duplication and enforcement-persistence testing against Northstar's sandbox banking tenant with simulated funds only.
S1WE-100 · S1WE-200 · S1WE-800 · S1WE-900
up to $35,000
21 resolved · 2.1 days avg response
Meridian Pay · Payments · Invite-only
Meridian Payment Scam Resistance
Simulated high-risk payment flows, mule-pattern detection and automated-abuse resistance. Every transaction is simulated; no real money moves.
S1WE-600 · S1WE-900 · S1WE-1000
up to $50,000
14 resolved · 0.9 days avg response
Harbor Social · Social platform · Public
Harbor Social Platform Integrity
Impersonation, malicious-link and AI-generated abuse detection across Harbor's sandbox graph.
S1WE-300 · S1WE-500 · S1WE-900 · S1WE-1000
up to $18,000
27 resolved · 1.8 days avg response
Atlas Marketplace · Marketplace · Public
Atlas Marketplace Fraud Resistance
Seller-trust manipulation, promo abuse and fraudulent listing detection in the Atlas sandbox marketplace.
S1WE-300 · S1WE-500 · S1WE-600
up to $15,000
19 resolved · 2.6 days avg response
Nova Exchange · Crypto exchange · Invite-only
Nova Exchange Abuse Resistance
Enrollment integrity and payout-risk intervention testing against the Nova sandbox exchange with simulated assets.
S1WE-100 · S1WE-600 · S1WE-900
up to $40,000
11 resolved · 1.2 days avg response