r/DeFiSecurity is a subreddit with 291 members. The most common kinds of discussions are money talk and pain & anger, and the community frequently discusses crypto, security, defi, hack, and blockchain.
Decentralized Finance (DeFi) and Crypto Cybersecurity related Conversations
Popular Themes in r/DeFiSecurity
#1
Money Talk
: "Layerzer0 Airdrop: Get Your Cut"
24 posts
#2
Pain & Anger
: "It seems a lot of sites compromised: Spiritswap, Etherscan, Coingecko. Be extra careful when approving transactions, and always double-check that you are interacting with the proper smart contract."
18 posts
#3
News
: "Unidentified exploit drains $10.5 million in NFTs across 11 blockchains, reports Metamask Developer"
10 posts
#4
Solution Requests
: "Quantstamp launches flash loan attack vector detector for DeFi protocols"
6 posts
#5
Ideas
: "Finding mispriced opcodes with fuzzing in FuelVM"
2 posts
#6
Advice Requests
: "What Are Your Top Security Tips for DeFi?"
1 post
Popular Topics in r/DeFiSecurity
#1
Crypto
: "Hacker Drains $20M in Crypto from Sonne Finance"
134 posts
#2
Security
: "Emergency Security warning: Multiple sites including CoinGecko seem to be compromised. Be careful while making any txns"
127 posts
#3
Defi
: "Quantstamp launches flash loan attack vector detector for Defi protocols"
90 posts
#4
Hack
: "Hacker returns 70% of $21 million taken from Transit Swap DEX"
74 posts
#5
Blockchain
: "Breadcrumbs - Blockchain Investigation Tool"
44 posts
#6
Airdrop
: "Thrilling update for all! The eagerly-awaited Convex Airdrop has officially kicked off. Check your qualification and collect your free CRV tokens via their primary site. I've secured 900 CRV worth $462, but your bonus might differ based on your blockchain activity."
39 posts
#7
Ethereum
: "Security concerns regarding the Ethereum token standard ERC-20"
37 posts
#8
Vulnerability
: "Alleged Hack at Remilia Corporation Drains Millions in Ether and NFTs"
33 posts
#9
Smart Contracts
: "A probably fair dApp betting platform that has automated transactions executed by its Smart Contracts and is recorded on-chain for transparency. Moreover, has integrated Chainlink's VRF Oracles to achieve a tamper-resistant outcome and is fully decentralized while offering non-custodial accounts."
29 posts
#10
Exploit
: "Curve Finance seeks Exploiter with $1.9m public bounty"
29 posts
Member Growth in r/DeFiSecurity
Yearly
+21 members(7.8%)
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Last updated: July 24, 2026