Quantstamp is a blockchain security and smart contract audit firm that, per its public website, has secured more than $500 billion in digital assets across more than 60 ecosystems since its founding. Quantstamp's Twitter Score is 145 out of 1000 (an Excellent rating) as of October 2026, ranking #4,002 (top 1%) among 493,668 tracked accounts.
Quantstamp was founded by Richard Ma and has operated in the web3 security space since its launch. The firm provides smart contract audits, web3 infrastructure configuration security reviews, economic exploit analysis, managed security services, and post-deployment monitoring. Its public website states it has conducted more than 1,300 audits for more than 250 clients, with work spanning projects including Ethereum 2.0, Polygon, Avalanche, Arbitrum, Solana, Binance, OpenSea, Maker, Curve, Lido, Compound, and others. Quantstamp specifically secured two Ethereum 2.0 clients, Prysm and Teku, and has received multiple grants from the Ethereum Foundation for layer-2 security and scaling work.
Quantstamp is affiliated with Chainproof, an insurance product that protects customers against smart contract hacks and slashing risks, and with DeFi Protection. In July 2023, the SEC reached a $3.5 million settlement with Quantstamp over allegations that its 2017 initial coin offering violated U.S. securities laws; according to Axios, the SEC stated that Quantstamp raised approximately $28 million, equivalent to roughly 87,000 ETH, from about 5,000 investors by selling QSP tokens.
Quantstamp has 78,877 followers as of October 2026 on X and has published 4,553 posts. Quantstamp has been mentioned by 609 accounts a total of 1,263 times.
Quantstamp's portfolio includes Yield Alliance - LVVA Ecosystem, Illuvium, Pareto, Nahmii, Oh Finance, MARS4me, Clipper and Weve moved Follow 0xsequence for updates.
Who follows Quantstamp on X?
The accounts that follow Quantstamp include 538 founders, 149 angel investors, 207 influencers and 32 VCs. Among them are CZ BNB, ZachXBT, Laura Shin, Stani, CL and Loomdart.