My interests:

• Economics
• History
• Psychology
• Cryptography
• Cybersecurity
• Hard sciences

What I've done:

• Advised various federal government agencies on modernization & security.
• Built matching engines, derivatives products, OTC platforms, credit card gateway, aml/kyc pipelines
• Dealt with clearing houses, custodians, private banks, shadow banks, dark pools
• Bluetooth, wifi protocols, nfc for IoT
• Bitcoin: btcd, p2sh, payment channels
• Ethereum: core dev in 2014, wrote first node implementation: geth, go-ethereum, cpp-ethereum/aleth

What I do:

• Golang, Rust, Node.js, Swift, React / React Native
• Exotic/unusual asset classes/commodities
• Federal Contracting: Interesting in prime/sub/joint ventures in the areas of modernization, cloud, security
• Angel investing: interested in niche businesses with persistent founders. Standard SAFE(yc)/KISS(500) possible

Social:

• LinkedIn
• Twitter

Thanks for stopping by! - J.Z.