Every Tuesday at 6pm New York time. Add to calendar (ICS) Add to Google Calendar
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Mission: Verify seller claims & authenticity for most things you buy
Philadelphia USA / 中国上海
Updated 2023-05-23
Lead author of ERC-721 standard
Art collaborations:
For sale 1/1
For sale 1/1
For sale 1/1
For sale 1/1 0.1 ETH
For sale 1/1
Sold
Other:
About 6,500 left to mint
I am the lead author of ERC-721, the document that started NFTs as we know them, and its vision.
Clients
My present/past clients include: Arianee, EY, Light.art, Origins NFT, Lucid Sight (MLB Champions), Airbus A³, Dream Syndicate (Rawlings NFT), a checkout processor in the sports/events industry, TreasureDAO, Aleph Crypto Fund, defendant in an investor lawsuit, TRON DAO, a hedge fund.
Code reviews
Some typical design and code review work I have done includes:
Advisory services
I promote intellectual property and stop fraud using blockchain. This standardizes the sale of physical assets on the Ethereum blockchain.
Publicly available to answer your questions each week during NFT/Web3 Community Service Hour and day in and day out on questions websites.
Please see more about advisory services.
ERC-721 lead author since 2018
I perform technical research of smart contracts and websites. This includes work with the FBI and Apple. Usually I publish these on Privacy Log, and sometimes these publications are live zero-days if the vendor failed to take corrective action. (Of course, I never post zero-days against advisory clients.)
Recent zero-days:
Monthly updates since 2008
I attend events to give workshops and inspire people to act, invite me to your event.
This work was sponsored in part by Ethereum Foundation.
Here are some products I brought from idea to market. Includes commercial successes, open sourced that you can copy.
19 Questions is a machine learning game that asks you questions about the world.
open source bayesian statistics
Nineteen Eighty-Five is a modern printing of the classic George Orwell book. Orwell’s protagonist battles with his own incriminating #searchhistory, the prying eye of the Social Justice Warriors watching him through his smart device…
open source Amazon KDP
SEPTA OTP is my fork of Philadelphia rail schedules which the transit authority has incorporated. It also documents late trains, which you can use to excuse work lateness.
Who's the Impostor (谁是卧底) is party word game for 3–12 players. Ranked in top 100 charts for MX, CN, RU.
Light.art NFT drop is a series of NFTs published by high-profile professional photographers. Sold out for 100 Ether in hours.
Echo lets you hear yourself and native speakers to improve pronunciation. This helps with language practice, speech pathology and accent reduction.
23andMe privacy kit by GenoBank anonymizes your DNA collection using physical shuffling and end-to-end encryption.
Formant Analyzer helped my wife improve vowel pronunciation (born in China living in USA) and is useful for speech pathologists.
Su Squares is the first NFT using the ERC-721 standard. This ushered in an era of new applications and enormous media coverage.
Scribe Academy is one of several online training program launched through Pacific Medical Training and accredited through American Medical Association.
Anasquare is a word puzzle published nationally in GAMES magazine.
System Bus Radio implements an AM radio on computers and phones that do not have radio transmitting hardware. Unclassified implementation of TEMPEST data exfiltration.
My sizes
Best marathon time: 9h : 55m
