Pathfinder

John “Pathfinder” Lester is a product leader and fintech pioneer. He has led projects and teams from startups to Fortune 100 companies, and his background includes neuroscience and immersive education.

As an independent contractor and consultant, John focuses on circular economies, cybersecurity and global permissionless payment networks.

John contributes to the Bitcoin ecosystem by managing Lighting routing nodes, building PoW mining facilities, and designing applications that leverage open payment networks. He also works with EVM-compatible Layer-2 networks such as zkSync and designs user-friendly DeFi applications that leverage zero-knowledge proof technology.

With his background in neurology, John developed the first immersive medical education products and online patient support communities while doing research at Massachusetts General Hospital and Harvard Medical School. John co-founded the the first computer security hackerspace "The L0pht," he’s a long-standing member of the oldest white-hat hacker group "Cult of the Dead Cow" (handle: Count Zero) and he led the development of pioneering immersive learning initiatives for the virtual world Second Life while working at Linden Lab.

His hobbies include street art, being a friend to animals, and exploring abandoned buildings with FPV drones.

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Secure Email: [email protected]
(PGP pubkey)

OrangePillApp: @Pathfinder

Nostr: @Pathfinder

nPub: npub1n897m339tamj2n3xwtvad96wtyxz4g7xpw8yhfevfyc25c28zzwsxkqwps

Lightning: [email protected]

Bitcoin: bitcoin:bc1qc4r3gl6lktgnztkeejgk3cweegwlr0u4nx3w04?pj=HTTPS%3A%2F%2FPAYJO.IN%2FS5FA5DRJ9ZK0Y%23RK1QGKL0UEZ8PU534G2MARM42PNA2XW3SRTGJP9NQFJMEUHXW6D0Z0KY+OH1QYPFLM8XL59R0XV4VGPLS7FRDSSM4TUXL07TXCWC4S0GLVLNK2SE4NQ+EX15L26V6G

Liquid:
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Zcash:
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