samczsun (@samczsun) — Twitter Score 757 out of 1000

Samczsun, the online identity of Sam Sun, is a white-hat security researcher widely nicknamed "Crypto Batman" for presenting publicly only via an anime-style avatar and voice modifier. Samczsun founded Security Alliance (SEAL) and works at Tempo, a Layer 1 blockchain for stablecoin and AI-agent payments incubated by Stripe and Paradigm. Samczsun's Twitter Score is 757 out of 1000 (an Excellent rating) as of October 2026, ranking #84 (top 0.1%) out of 493,668 accounts tracked on this platform, with 160,924 followers as of October 2026 under the handle @samczsun and 1,172 posts since 2014.

Samczsun previously worked at Paradigm as Research Partner for 4.5 years, stepping down in April 2025 to focus on expanding Security Alliance, and remains an advisor to Paradigm. He also previously worked at Trail of Bits as Security Engineer. Samczsun is recognized for discovering a critical vulnerability in SushiSwap's MISO platform that put over 109,000 ETH (approximately $350M) at risk, patched before any exploitation occurred, and for leading the rescue of over 25,000 ETH from a vulnerable Lien Finance smart contract.

Samczsun's Security Alliance is a U.S. 501(c)(3) nonprofit that operates SEAL 911, a 24/7 emergency response hotline that has recovered more than $50M from cyber attacks since launch, along with SEAL Intel for threat intelligence, SEAL Frameworks for open-source security standards, SEAL Certifications, Safe Harbor for legal protections for whitehats, and Wargames for incident response training. Tempo launched its mainnet in March 2026. Samczsun has been mentioned by 519 accounts, with 835 total mentions.

Who follows Samczsun on X?

Samczsun draws followers from across the crypto security and builder community. The accounts that follow Samczsun include 3,225 founders, 919 angel investors, 1,077 influencers and 55 VCs, among them vitalik.eth, Toly, ZachXBT, Cobie, Marc Andreessen and Laura Shin.