20 most recent articles

• EIP-3074 - Pass the AUTH, please!
• ERC-1271 - Now smart contracts can sign transactions too!
• ERC-4337 - It's all about Account Abstraction
• What are Ethereum Standards - EIPs, ERCs, RIPs, CAIPs
• 30 Days with Ethereum Standards
• How many time zones are there in the world?
• Solidity Smart Contract Template
• Merkle Trees
• Pushing my limits - What I learned from a year of monthly challenges
• December Challenge: Daily post on Instagram
• How to Become a Crypto Billionaire in 15 Minutes. Legally.
• Consistency
• November Challenge: No coffee
• October Challenge: 7-minute daily hanging
• Max values for each uint in Solidity, from uint8 to uint256
• September Challenge: One hour of learning every day
• Don't do stupid shit
• August Challenge: No alcohol
• My 200 days of daily web3 learning and building
• July Challenge: Cold shower in the morning

10 most recent TILs

• TIL: Ponzo illusion
• TIL: Euro banknotes had fictional bridges on them in 2002, when issued. After 10 years, they were not fictional anymore.
• TIL: There is considerable overlap between the intelligence of the smartest bears and the dumbest tourists
• TIL: Cleopatra lived closer to the moon landing than to the Great Pyramid of Giza
• TIL: Most wines will last up to a week or more in the fridge
• TIL: Regular afternoon naps linked to improved cognitive function (but only if less than 30 minutes)
• TIL: 39% of American women have a tattoo, and 21% of American men
• TIL: Marchetti's constant - the average time spent by a person for commuting each day, which is approximately one hour
• TIL: How a secret experiment tricked psychiatrists into diagnosing sane people as having schizophrenia, and how it rocked psychiatry
• TIL: Individuals who are told by the coin toss to make a change are much more likely to make a change and are happier six months later than those who were told by the coin to maintain the status quo

10 most recently read books

• Revenge - Yōko Ogawa
• Olga Dies Dreaming - Xóchitl González
• Nothing to See Here - Kevin Wilson
• Dark Matter - Blake Crouch
• The Humans - Matt Haig
• Us Against You - Fredrik Backman
• The Marriage Portrait - Maggie O'Farrell
• Everything You Need to Ace Math in One Big Fat Notebook - Altair Peterson
• Bird by Bird - Anne Lamott
• Demon Copperhead - Barbara Kingsolver

Featured works

Some of my videos, articles, talks, and other creative endeavours outside of VelvetShark.com

• Getting Started with AppKit | Workshop | Build the New Internet Hackathon - video workshop - Aug 2024
• How to get started with AppKit - article - Jul 2024
• Wallet Connect x Mantle: Learn how to use the latest Appkit - video - Jul 2024
• EIP.directory (GitHub) - A directory of important, noteworthy, interesting EIPs, with explanations - May 2024
• Building with the Ceramic Points Library - video - May 2024
• Mastering SET Relations, Immutable Fields, and (De)Indexing in Ceramic and ComposeDB - video - Apr 2024
• Magic Maker (GitHub) - Farcaster Frame to create custom fairy tales - bounty-winning ETHGlobal hackathon project - Mar 2024
• SummerIce ☀️🧊 - Page Summarizer (GitHub) - Chrome extension to summarize articles in one click - Mar 2024
• Intro to ComposeDB with Ceramic - LearnWeb3 Decentralized Intelligence Hackathon - video workshop - Mar 2024
• Interfaces in Ceramic Protocol: Intro Guide - article - Jan 2024
• ETHWarsaw 2023: Radek Sienkiewicz, 3Box Labs - Using Data Composition for a Better Web - talk - Dec 2023
• ApeFit - award-winning ETHGlobal Istanbul hackathon project (team of 5, 3 awards won) - Nov 2023
• DappCon 2023: Using Data Composition For A Better Web - Radek Sienkiewicz - talk - Nov 2023
• Tutorial: Query Filtering and Ordering in ComposeDB - article - Sep 2023
• How to get real-time notifications about any event on Blockchain with QuickAlerts (Chainlink Workshop) - online workshop - May 2023
• Protect Yourself From Scams: DYOR ? | Paris Blockchain Week 2023 - panel - May 2023
• How smart contracts work on Ethereum - video - May 2023
• Ethereum Full Node vs. Archive Node - video - May 2023
• ZK-Rollups vs. Optimistic Rollups - video - Apr 2023
• What are Zero Knowledge Proofs - Explain Like I`apos;m Five - fun explainer video - Apr 2023
• How to Build a QuickNode Marketplace Add-On - video - Mar 2023
• Build a Web3 Token Balance App From Scratch: Step-by-Step Tutorial - video - Mar 2023
• Ethereum Staking Made Easy: Complete Tutorial (Ubuntu / Erigon / Lighthouse / Grafana / Goerli) - video - Mar 2023
• Ethereum Staking Options in 2023 - video - Mar 2023
• Building an app from scratch - Ethereum 2 Beaconchain validator leaderboard - video - Feb 2023
• Ethereum Shanghai upgrade: The Ultimate Guide - video - Feb 2023
• Web3 Developer Stack - video - Jan 2023
• How to use Etherscan - Full Guide - video - Jan 2023
• What is an ABI? - video - Dec 2022
• How to create and deploy an ERC-721 (NFT) - video - Dec 2022
• How to create and deploy an ERC20 token - video - Dec 2022
• How to Deploy a Smart Contract on Polygon - video - Dec 2022
• How to become a billionaire in 15 minutes. Legally. With a smart contract. - satirical tutorial - Nov 2022
• How to Write a Good NFT Smart Contract - article - Sep 2022
• How To Write A Good NFT Smart Contract - Part 1 | NFT PhD - video - Sep 2022
• How To Write A Good NFT Smart Contract - Part 2 | NFT PhD - video - Sep 2022
• How To Write A Good NFT Smart Contract - Part 3 | NFT PhD - video - Sep 2022
• How To Write A Good NFT Smart Contract - Part 4 | NFT PhD - video - Sep 2022
• What Technology To Deploy An NFT | NFT PhD - video - Jul 2022
• An Analysis of What a Good NFT Smart Contract Can Look Like- Radek Sienkiewicz- Talk at NFT.NYC 2022 - talk - Jul 2022
• How to Make Someone Care About Your NFT ( Values | Art | Utility ) - video - Jul 2022
• NFT Business Model Template | NFT PhD - video - Jul 2022
• Why Sites in High-Growth Industries Have Terrible UX - article - Nov 2018