William Entriken, Portfolio

NFT drops

First collaborations (one-of-ones)

For sale

For sale

For sale

For sale

For sale

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Advisory and vulnerability research

I am the lead author of ERC-721, the document that started NFTs as we know them, and its vision.

Clients

My 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, 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 NOVEMBER WAITLIST.

ERC-721 lead author since 2018

Privacy Log

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

Press coverage

Speaking events, policy work

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.

Full product cycles

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.

open source patent

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.

iOS

Light.art NFT drop is a series of NFTs published by high-profile professional photographers. Sold out for 100 Ether in hours.

open source

Echo lets you hear yourself and native speakers to improve pronunciation. This helps with language practice, speech pathology and accent reduction.

open source iOS

23andMe privacy kit by GenoBank anonymizes your DNA collection using physical shuffling and end-to-end encryption.

open source packaging design Ethereum Rinkeby

Formant Analyzer helped my wife improve vowel pronunciation (born in China living in USA) and is useful for speech pathologists.

open source iOS

Su Squares is the first NFT using the ERC-721 standard. This ushered in an era of new applications and enormous media coverage.

open source Ethereum Mainnet

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.

open source

System Bus Radio implements an AM radio on computers and phones that do not have radio transmitting hardware. Unclassified implementation of TEMPEST data exfiltration.

open source

Extra stuff for stalkers

Math

Chess research with John Tromp -- I am interested in parallel, exhaustive-search problems, this is one effort in that direction, Google Groups post
Original research on the entropy function -- demonstrating a new, iterative way to calculate entropy, and necessary for my 19q game. Related: https://en.wikipedia.org/wiki/Perplexity

Active projects you can join

I am active on GitHub, let's do something awesome together, also on SO and Kaggle
KDE contributor and webadmin (commit access to homepage)

Photography

My wife and I run a boudoir photography studio. Check out https://glamourphilly.com/

Things I made that you can buy:

iOS US Patent Bar Study -- a tool for students studying for the patent bar exam
Observance—my first published guitar song iTunes Music Spotify

More music:

Only (and music video)-- my award winning remix of Nine Inch Nails's song. I was a winner in WYSP's First NIN Remix content (2005) and got to meet the band. My track was runner up and the other guy was published on NIN's next album.
Air the first track my wife and I made together. Based on Air by Dzeko & Torres.

Civic projects:

EMCCC, PA Eastern Montgomery County Chamber of Commerce, PA, co-chair government affairs committee board. We work with local, state and federal government representatives to connect local businesses with elected officials.
SEPTA rail scheduling I consult with SEPTA to help set their rail schedules. Also, I independently measure On-Time Performance of all SEPTA trains. If you are ever late for work because of a late train, use my website as proof so you have an excuse. Patent application.
Philadelphia Traffic Court Philadelphia Traffic Court made national headlines throughout 2014 as its offices were raided by the FBI and 9 current and former judges face indictments on 77 counts. I successfully petitioned the Philadelphia government to make public their entire database of traffic violations. Now lawyers use it to appeal old tickets and some people have used the data to find evidence of wrongdoing.

Contributions / big projects

Code.mil— This project helps the US Department of Defense share more computer science projects with the public by helping its project managers set code release policies.
Git — (2013) fixed a recursion bug for submodules
Linux kernel v2.2 — (1999) fixed Realtek ethernet driver
KDE — (2006) I used to lead http://cia.vc/ as a top committer in 2006 when I worked extensively on KDE, see also Google page on my contributions
Jekyll 3.0 contributor
Archive.org — (2006) collection of collection of AOL Instant Messenger, IMChaos, WebShots

Personal

NFT/Web3 Community Service Hour:

Quick links (How to choose a platform to launch my NFT?):

Quick links (How to make your own NFT contract):

William Entriken

NFT drops

Advisory and vulnerability research

Press coverage

Speaking events, policy work

Full product cycles

Extra stuff for stalkers

Personal