New: On-chain instant bounty payments via smart contracts

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The first fully decentralized bug bounty platform. Earn crypto rewards instantly via smart contract escrow. Build on-chain reputation as a Soul Bound Token.

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Total Bounties Paid
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Reports Submitted
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Reports Resolved
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Security Researchers
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How ChainShield Works

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01

Connect Wallet

Sign in with your Ethereum wallet. Your wallet IS your identity — no email required.

02

Find Programs

Browse active bug bounty programs from leading Web3 protocols and DeFi platforms.

03

Submit Reports

Encrypt and submit vulnerability reports. Funds are locked in smart contract escrow.

04

Earn On-Chain

Get paid instantly in ETH or tokens when your report is accepted. Earn reputation NFTs.

Featured Programs

High-reward bug bounty programs from verified protocols

🏦

DeFi Protocol Alpha

ethereum · Bug Bounty
Featured

Leading decentralized lending protocol with $2B+ TVL. We reward security researchers who help us keep user funds safe on-chain.

DeFiSmart ContractWeb3
Bounty RangeETH
500 – 100,000Max 100,000
342
Reports
289
Resolved
2 days
Response
🎨

NFT Marketplace Zero

polygon · Bug Bounty
Featured

The largest NFT marketplace on Polygon. Help protect millions of creators and collectors by finding vulnerabilities.

NFTMarketplaceERC-721
Bounty RangeMATIC
250 – 50,000Max 50,000
178
Reports
155
Resolved
3 days
Response
🌉

L2 Bridge Secure

arbitrum · Bug Bounty
Featured

Cross-chain bridge protocol securing $500M in assets. Critical vulnerabilities in bridge contracts qualify for maximum rewards.

BridgeCross-chainLayer 2
Bounty RangeETH
1,000 – 250,000Max 250,000
89
Reports
72
Resolved
1 day
Response

Live Reports

Reentrancy vulnerability in DeFi withdrawal function

CRITICALresolvedDeFi Protocol Alpha
by 0xShadowByte4/10/2026
+15.5 ETH

Bridge replay attack via signature malleability

CRITICALtriagedL2 Bridge Secure
by CipherPhantom4/12/2026
+25 ETH

Flash loan price oracle manipulation in lending pool

HIGHresolvedStablecoin Reserve
by NullPointerX4/8/2026
+8.2 ETH

ZK proof forgery via weak Fiat-Shamir transform

CRITICALtriagedZK Rollup Prover
by VectorZero4/8/2026
+45 ETH
Web3 Native

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