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Bug Bounty Programs 2026

Explore all HackenProof’s programs below or filter the tech stack you work best with: let the bug hunt begin!

Total bug bounty350+
In bounties paid out$22 000 000+
Total received reports60 000+
arrowHidden Gems
Triaged by HackenProof
NiceHash Mining platform
up to$25,000
Started date:22 Jun 2023
Last updated:12 Jun 2026
Scope review:75164
Paid$410
up to$25,000
Triaged by HackenProof
CoinW Web & Mobile
up to$2,000
Started date:22 Mar 2024
Last updated:12 Jun 2026
Scope review:50037
Paid$145,700
up to$2,000
Triaged by HackenProof
Scallop Protocol (Smart Contract)
up to$300,000
Started date:05 Mar 2025
Last updated:12 Jun 2026
Scope review:52761
Paid$300
up to$300,000
Triaged by HackenProof
Cube Exchange Web
up to$10,000
Started date:13 Mar 2025
Last updated:12 Jun 2026
Scope review:47625
Paid$10,600
up to$10,000
Triaged by HackenProof
GMGN Web & Mobile
up to$1,000,000
Started date:17 Mar 2025
Last updated:12 Jun 2026
Scope review:53679
Paid$4,550
up to$1,000,000
Triaged by HackenProof
Cetus Web
up to$10,000
Started date:08 Apr 2026
Last updated:12 Jun 2026
Scope review:25172
Paid$1,470
up to$10,000
Triaged by HackenProof
Sweed Web
up to$2,000
Started date:09 Sep 2025
Last updated:12 Jun 2026
Scope review:44042
Paid$2,350
up to$2,000
Triaged by HackenProof
STBL Web
up to$10,000
Started date:16 Oct 2025
Last updated:12 Jun 2026
Scope review:40096
Paid$0
up to$10,000
Triaged by HackenProof
Volo Web
up to$5,000
Started date:16 Oct 2025
Last updated:12 Jun 2026
Scope review:36167
Paid$0
up to$5,000
Triaged by HackenProof
BitKan Web & Mobile
up to$500
Started date:10 Dec 2025
Last updated:12 Jun 2026
Scope review:39584
Paid$650
up to$500
Added: Oldest to Newest
Added: Newest to Oldest
Updated at: Oldest to Newest
Updated at: Newest to Oldest
Max Bounties: Low to High
Max Bounties: High to Low
315 Results
Triaged by HackenProof
program image
LIVE
Citrea Web & Apps
Citrea is the first rollup that enhances the capabilities of Bitcoin blockspace with zero-knowledge technology. Citrea is the only scalability solution that uses Bitcoin both as a data availability and a settlement layer, via its BitVM-based trust-minimized two-way peg program - Clementine. Citrea is fully EVM compatible, enabling all EVM developers to easily build on Bitcoin. For more information about Citrea, please visit https://citrea.xyz. Citrea provides rewards in USDC on Ethereum, denominated in USD. For more details about the payment process, please view the Rewards by Threat Level section further below.
Started date: 28 Jan 2026Last updated: 22 May 2026Submissions: 35
up to $25,000 Paid: 600
BRIDGE
INFRASTRUCTURE
WEB
APPS
Triaged by HackenProof
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LIVE
CEX.IO Web & Mobile
A leading cryptocurrency ecosystem. Our Licenses & Registrations: https://cex.io/legal-security
Started date: 19 Jan 2026Last updated: 13 May 2026Submissions: 181
up to $500 Paid: 300
CEX
WEB
APPS
Triaged by HackenProof
program image
LIVE
Monday Trade Web
Monday Trade is Monad’s native spot and perps DEX that offers the best of CEX and DEX trading experience. Monad’s low latency enables Monday Trade to execute trades within milliseconds, ensuring traders can make the most of market moves, without giving up their asset ownership to centralized exchanges. Monday Trade combines the precision of a fully on-chain order book with the simplicity of AMMs into one sleek UI, delivering gas-efficient, high-performance onchain trades with optional advanced trading tools.
Started date: 19 Jan 2026Last updated: 21 May 2026Submissions: 230
up to $3,000 Paid: 300
DEX
WEB
APPS
Triaged by HackenProof
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PAUSED
Meest Poshta Mobile
Meest Poshta is a national logistics operator, particularly strong in door-to-door delivery within Ukraine. Meest Poshta offer a range of services, including parcel delivery, international freight forwarding, and logistics support for e-commerce. Meest Group, which includes Meest Poshta, also provides international money transfers and operates two international mail processing centers.
Started date: 15 Jan 2026Last updated: 27 May 2026Submissions: 16
up to $1,000 Paid: 4400
WEB2
APPS
Triaged by HackenProof
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LIVE
Solv Smart Contracts
Solv Protocol is building the $1 trillion Bitcoin economy through a full-stack suite of financial services optimized for BTC holders. By enabling lending, liquid staking, yield generation, and fund management, Solv activates Bitcoin as a capital-efficient asset within a growing Bitcoin-native DeFi ecosystem. Supported by institutional partners and an on-chain BTC reserve, Solv bridges TradFi, CeFi, and DeFi, unlocking yield opportunities and expanding Bitcoin’s role in programmable finance. Users can access structured BTC financial products and generate yield within Solv’s Bitcoin-native economy, positioning Bitcoin as a productive asset and foundational layer of decentralized financial infrastructure. Backed by leading investors including Binance Labs, Blockchain Capital, Laser Digital, and OKX Ventures, and secured through comprehensive audits by Quantstamp, Certik, SlowMist, Salus, and Secbit, Solv brings institutional-grade trust to the future of Bitcoin finance.
Started date: 15 Jan 2026Last updated: 12 May 2026Submissions: 304
up to $50,000 Paid: 0
DEFI
SMART CONTRACT
RUST
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LIVE
Gate US
Your Gateway to Digital Assets in the U.S.
Started date: 13 Jan 2026Last updated: 15 May 2026Submissions: 70
up to $5,000 Paid: 250
CEX
WEB
program image
ENDED
ZetaChain Web Apps
An EVM-compatible L1 blockchain that connects everything: Build interoperable dApps that span any chain including Bitcoin; access all chains from one place.
Started date: 08 Jan 2024Last updated: 12 May 2026Submissions: 44
up to $500 Paid: 6700
LENDING
WEB
PYTHON
TYPESCRIPT
GO
Triaged by HackenProof
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LIVE
Whitechain Bridge
Whitechain Bridge is a centralized cross-chain bridge for moving tokens between WCH-ETH and WCH-TRON. This program rewards vulnerabilities in smart contracts only that affect the safety of user funds. In-scope: on-chain contracts Bridge and Mapper and their direct dependencies as used by these contracts.
Started date: 29 Dec 2025Last updated: 13 May 2026Submissions: 1099
up to $10,000 Paid: 150
BRIDGE
SMART CONTRACT
SOLIDITY
Triaged by HackenProof
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LIVE
Solv Web & Infrastructure
Solv Protocol is building the $1 trillion Bitcoin economy through a full-stack suite of financial services optimized for BTC holders. By enabling lending, liquid staking, yield generation, and fund management, Solv activates Bitcoin as a capital-efficient asset within a growing Bitcoin-native DeFi ecosystem. Supported by institutional partners and an on-chain BTC reserve, Solv bridges TradFi, CeFi, and DeFi, unlocking yield opportunities and expanding Bitcoin’s role in programmable finance. Users can access structured BTC financial products and generate yield within Solv’s Bitcoin-native economy, positioning Bitcoin as a productive asset and foundational layer of decentralized financial infrastructure. Backed by leading investors including Binance Labs, Blockchain Capital, Laser Digital, and OKX Ventures, and secured through comprehensive audits by Quantstamp, Certik, SlowMist, Salus, and Secbit, Solv brings institutional-grade trust to the future of Bitcoin finance.
Started date: 29 Dec 2025Last updated: 13 May 2026Submissions: 238
up to $20,000 Paid: 16000
DEFI
DAPP
WEB
APPS
Triaged by HackenProof
Hidden Gem
program image
LIVE
BitKan Web & Mobile
BitKan is a leading cryptocurrency broker exchange, partnering with over 7 major exchanges, including Binance and OKX. Through BitKan, users can access the combined trading depth of thousands of crypto tokens across multiple platforms — all with a single BitKan account. Established in 2012, BitKan officially launched its trading platform in 2019, supporting millions of users worldwide in exploring and trading digital assets.
Started date: 10 Dec 2025Last updated: 12 Jun 2026Submissions: 111
up to $500 Paid: 650
CEX
WEB
APPS