Ethan Is On BlueSky Heilman is a cryptography and security engineer who co-founded BastionZero and served as its CTO until Cloudflare acquired the company in May 2024. Ethan Is On BlueSky Heilman's Twitter Score is 93 out of 1000 (a Good rating) as of October 2026, ranking #8,058 (top 5%) among 493,607 tracked accounts.
Ethan Is On BlueSky Heilman co-founded BastionZero, a zero-trust infrastructure access platform that Cloudflare acquired in May 2024 to strengthen Cloudflare One, its secure access service edge offering. Following the acquisition, he joined Cloudflare as a Principal Systems Engineer. He was previously affiliated with the Boston University Department of Computer Science.
Ethan Is On BlueSky Heilman has contributed to foundational research in blockchain privacy and security. He co-authored the TumbleBit paper, which proposed an untrusted, Bitcoin-compatible anonymous payment hub, and separately co-authored a paper analyzing traceability weaknesses in the Monero blockchain. He is also affiliated with the Linux Foundation.
Ethan Is On BlueSky Heilman has accumulated 5,779 followers as of October 2026 and has published 28,632 posts. He has been mentioned by 132 accounts, with 513 total mentions.
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The accounts that follow Ethan Is On BlueSky Heilman include 340 founders, 68 angel investors, 92 influencers and 5 VCs. Among his notable followers are Laura Shin, Stani, Chris Burniske, Kyle Samani, Fred Ehrsam and Nic Carter.