Immunefi is the leading security platform for blockchains. Over $180B of user funds protected across 650 protocols.

Joined November 2020
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Immunefi is the security infrastructure layer of crypto. We protect 70% of all DeFi TVL today. Our track record: - We work with virtually every major DeFi project: Aave, Arbitrum, Optimism, Sei, LayerZero, Ethena, Jito, ENS, The Graph, and so many more - Multiple $10M bounty payouts, the largest in internet history - $25 billion in losses prevented, calculated based on the severity and exploitability of vulnerabilities disclosed - $125m in payouts to security researchers - 80% of customers have received valid critical vulnerability disclosures via the platform - Thousands of valid vulnerability reports processed, creating the industry's most comprehensive dataset of real exploits The Immunefi token ($IMU) is the central value creation asset powering the entire Immunefi ecosystem, so that it can grow to protect all onchain value. And it will. Join us.
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25,000,000 IMU now pledged behind security researchers. People aren't just cheering for whitehats anymore. They're backing them with capital.
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So many new security researchers who joined in the last 6 months are absolutely crushing it.
This SR joined Immunefi in December 2025. This week he found a high-severity vulnerability before anyone could exploit it. Dead men tell no tales, but apparently they find bugs. Congrats @RebelsRunways!
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This SR joined Immunefi in December 2025. This week he found a high-severity vulnerability before anyone could exploit it. Dead men tell no tales, but apparently they find bugs. Congrats @RebelsRunways!
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This Security Researcher has earned $3,612,409 hunting bugs on Immunefi. 32 live critical vulnerabilities found, saving hundreds of millions of dollars from hacks. Meet @lonelysloth_sec, ranked Top 5 all-time on @Immunefi. We asked him how he does it. One practical bug bounty strategy that has helped him find better bugs: "Protocols share a lot of code. When you find a bug that isn't exploitable, take some times to check if the same bug doesn't show up in other protocols where it might be. Study families of protocols, compare their code. Things are getting more and more interconnected." The habit, routine, or mindset that has made him more consistent as a researcher: "Curiosity. I don't rest until I understand every part of the system. Even if I end up not finding a bug, I want to understand it." A memorable bug or win, and what helped him find it: "I have quite a few public disclosures, but for one project between '24 to '25 I got paid for 9 critical bugs. I spent months getting to know every last detail of their (very large) code base. More than a breakthrough it was about persistence in one target, learning everything about it, and using everything I knew on it. They weren't the highest paying bugs I found, but I'm very proud of that achievement. I still find bugs in that project." His advice to a researcher trying to level up or land their first bounty: "Find motivation in the journey, because it's a long one. Enjoy understanding something that previously was mysterious to you, the feeling of knowledge accumulating. It compounds and will eventually lead to your bounties. Keep trying -- you need to give luck a chance to find you."
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Immunefi retweeted
Count me in for SR Summer
Replying to @immunefi
Read the full breakdown: immunefisupport.zendesk.com/…
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Immunefi retweeted
Replying to @immunefi
First two tasks completed 🫡
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Immunefi retweeted
Replying to @immunefi
I'm locked in
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You're going to waste the summer. Not because you're lazy. Because summer makes losing momentum feel harmless. And by the time September shows up, "I'll lock in soon" has already cost you 3 months of your life. This summer, use it. Today, we're launching SR Summer 🏖️💻 A challenge for security researchers who want to spend this summer turning their skills into actual money. The goal is not just to tell you to "hunt harder." It's to help you get better at the parts of security research that actually affect your results. Which programs should you spend time on? How do you choose targets with a higher chance of meaningful findings? How do you structure your research process? How can AI help you move faster? How do you write reports that are easier to review, and more likely to communicate impact clearly? That is what SR Summer is about. The full breakdown is below. Don't read it in September.
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New logo color. Same mission. Slightly more stylish.
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You asked. We listened. Now you can hunt in the dark.
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$IMU live on @Revolut Revolut is Europe’s leading fintech with over 75 million users globally.
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Over the last few weeks, 250 security researchers have earned thousands of dollars on @immunefi . Some walked away with mid-six figures. A few even hit seven figures (that's over 1 Million). If you believe you can’t, you’re right. If you believe you can, you’re right too.
“Bug bounty is dying” is noise. Lock in. Make money. Use AI to 10x your output. If it eventually dries up, you’ll have enough capital to start that biz or enough experience to land a job. Simple as that.
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Immunefi retweeted
The May 2026 Immunefi Ecosystem update is here. ➡️ Code4rena wound down - its bug bounty customers and wardens welcomed by Immunefi ➡️ Base Azul ($250K) and Firedancer V1 ($1M) audit competitions wrapped ➡️ Bounty payouts more than doubled MoM and hit $138.5M all-time ➡️ Critical bugs at a 2026 high IMU is what aligns this network. 17.1M pledged and growing. Hacker Pledging S2 runs through July 7. docs.immunefi.foundation/may…
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Another big win for @0xriptide. Elite work. Elite consistency. Want to learn how he finds bugs at this level? Watch the full interview below.
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