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Bug Bounty Programs 2025

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

Total bug bounty200+
In bounties paid out$15.737.700
Total received reports25 000+
arrowHidden Gems
Triaged by Hackenproof
NiceHash Mining platform
up to$22,500
Started date:22 Jun 2023
Last updated:17 Jul 2025
Scope review:32809
Paid$0
up to$22,500
Triaged by Hackenproof
Asymetrix Web
up to$10,000
Started date:25 Apr 2023
Last updated:01 Jul 2025
Scope review:40848
Paid$0
up to$10,000
Triaged by Hackenproof
INIT Capital Web
up to$10,000
Started date:15 Jul 2024
Last updated:20 Jun 2025
Scope review:11583
Paid$0
up to$10,000
Triaged by Hackenproof
MetaMask Validator Staking Smart Contracts
up to$700,000
Started date:18 Mar 2024
Last updated:15 Jul 2025
Scope review:34456
Paid$0
up to$700,000
Account Abstraction Bugs
up to$250,000
Started date:16 Sep 2024
Last updated:12 Jun 2025
Scope review:26871
Paid$22,000
up to$250,000
Triaged by Hackenproof
Bluefin Web
up to$5,000
Started date:01 Jul 2024
Last updated:01 Jul 2025
Scope review:22558
Paid$0
up to$5,000
Triaged by Hackenproof
LiNEAR Protocol
up to$5,000
Started date:30 Jul 2024
Last updated:01 Jul 2025
Scope review:10854
Paid$100
up to$5,000
Triaged by Hackenproof
SG Forge Smart Contracts
up to$10,000
Started date:14 Mar 2025
Last updated:10 Jul 2025
Scope review:11697
Paid$0
up to$10,000
Triaged by Hackenproof
Walrus Smart Contracts
up to$100,000
Started date:27 Mar 2025
Last updated:08 Jul 2025
Scope review:16109
Paid$0
up to$100,000
Triaged by Hackenproof
Bluefin Coin Contracts
up to$15,000
Started date:13 Jun 2025
Last updated:01 Jul 2025
Scope review:9055
Paid$0
up to$15,000
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
257 Results
Triaged by Hackenproof
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KCEX
Enjoy crypto on KCEX with the lowest fees and the widest range of altcoin pairs.
Started date: 29 May 2025Last updated: 29 May 2025Scope review: 13063
up to $5,000
Triaged by Hackenproof
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The Sandbox Smart Contracts
The Sandbox is a virtual gaming world where players can build, own, and monetize gaming experiences in the metaverse.
Started date: 22 May 2025Last updated: 11 Jun 2025Scope review: 9307
up to $200,000
Triaged by Hackenproof
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The Sandbox Public Infrastructure
The Sandbox team is building a unique virtual world where players can build, own, and monetize their gaming experiences using SAND, the main utility token of the platform.
Started date: 22 May 2025Last updated: 23 Jun 2025Scope review: 8390
up to $5,000
Triaged by Hackenproof
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Flipster Web & Mobile
Flipster - one of the fastest-growing cryptocurrency derivatives trading platforms, founded in 2021, with over 1 million users in 177 countries and around $20 billion in monthly trading volume.
Started date: 22 May 2025Last updated: 15 Jul 2025Scope review: 8694
up to $3,000
Triaged by Hackenproof
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CoinMetro Exchange
CoinMetro is a fully-rounded EU-based FinTech ecosystem that is designed to simplify access to the digital asset economy.
Started date: 28 Apr 2021Last updated: 23 Jun 2025Scope review: 128863
up to $3,000
Triaged by Hackenproof
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Flow Protocol
Flow is a decentralized platform that anyone can access, everyone can trust, and no-one can censor or block. Flow is the future.
Started date: 08 May 2025Last updated: 11 Jun 2025Scope review: 12784
up to $100,000
Triaged by Hackenproof
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DeTEE Hackers Challenge
We created the Hacker Challenge program to allow haters and opponents to do due diligence around the technologies that power the DeTEE platform. Hence we open sourced everything and allowed everybody to join without any limits.
Started date: 28 Apr 2025Last updated: 29 Apr 2025Scope review: 10679
up to $14,380
Triaged by Hackenproof
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STON.fi DEX Smart Contracts v2
STON.fi is a decentralized automated market maker (AMM) built on the TON blockchain providing virtually zero fees, low slippage, an extremely easy interface, and direct integration with TON wallets.
Started date: 22 Apr 2025Last updated: 12 May 2025Scope review: 12896
up to $100,000
Triaged by Hackenproof
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Blockchain.com Web & Mobile
Welcome to the Blockchain.com Bug Bounty Program! As a pioneer in the cryptocurrency space, Blockchain.com has been at the forefront of developing crucial infrastructure for the Bitcoin community. We started with the Blockchain Explorer, empowering users to examine transactions and understand the blockchain, and an API that enabled businesses to build on Bitcoin. Furthermore, we provide a widely popular and user-friendly crypto wallet, allowing individuals globally to securely manage their own digital assets. Thank you for your interest in helping us enhance the security of our platform! Your contributions are highly valued. Getting Started If you are new to Blockchain.com, we strongly encourage you to review our [Security Learning Portal](https://dashboard.hackenproof.com/redirect?url=https://www.blockchain.com/learning-portal#crypto-courses) to familiarise yourself with our products and their security considerations before submitting any reports.
Started date: 15 Apr 2025Last updated: 17 Jun 2025Scope review: 5491
up to $10,000
Triaged by Hackenproof
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AscendEX Web & MobileNEW
AscendEX is a platform for investors of all experience levels who want to make their crypto ascent better. Simple crypto solutions and friendly customer support help our users invest, trade, earn, and manage their ascents with confidence.
Started date: 01 Sep 2025Last updated: 17 Jul 2025Scope review: 14451
up to $10,000