At Fractal, we’ve been obsessing over customer onboarding for the past 2 years. We have assembled a brilliant and interdisciplinary team who successfully and meaningfully transformed the experiences of thousands upon thousands of users undergoing identity verification. We realised very quickly that assuring compliance is increasingly costly for our clients…

As understood by an engineer with no background in economics, finance or trading — Our economy has evolved to consider and account for a variety of different assets: stocks, bonds, real estate, commodities, intellectual property, and many others. Trading some of these assets is constrained by their physicality, as it may be cumbersome to physically trade ownership, or even to subdivide the asset.

And how to provably associate a DID with a person — ixo is the blockchain for sustainable development impacts, aiming to help standardize the measurement and rewarding of impact. Through their protocol and native IXO tokens, ixo plans to incentivize the funding and tracking on impact projects through unlocking a new economy for collecting and verifying impact data. It’s crucial for…

My introductory talk at Commit Porto 2018 — I was invited by Commit Porto to give an introductory talk about blockchain at their 2018 edition. Below is the video, the slides and the transcript. Video recording Slides and transcript

Implementing a simple KYC claim verification for a crowdsale — ℹ️ This was published in early 2018. Since then, LSP-6 has superseded ERC-735. Be sure to check it out! At Fractal, we’re focused on improving the ICO experience, from both a UX and a regulatory compliance perspective. One of the crucial bits of a successful ICO is proper participation eligibility…

NEO and Qtum. Yes, that’s it. — tl;dr: This post covers the only two viable and live alternatives to Ethereum as a distributed application platform (NEO and Qtum) and explains my confidence in Ethereum’s dominance. I just devoured Ed Posnak’s ongoing series, On The Origin of Smart Contract Platforms. It’s a well-argued collection of essays on several…

Purpose, creation, distribution and usage of protocol and application tokens — tl;dr: This post attempts to shed some light on what Ethereum tokens are: what they’re for, as well as how they’re created, distributed, and used. We’ll look into token economics, how a blockchain-based app works, and how this relates to value and ICOs. As with any disruptive technology, Ethereum is…

Why are smart contracts so revolutionary? — (If you’re new to blockchain technology, start with my short introduction: What can Blockchain do for you?) Smart contracts are all the rage these days, and for good reason. When Ethereum appeared in 2015, it took the blockchain community by storm by demonstrating that it was possible to do so…

Writing, testing and deploying an Ethereum smart contract and its web interface — This weekend I spent some time with my team looking into tooling and deployments particular to the Ethereum blockchain, and put together a little experiment: Forever on the Chain. It’s the equivalent of a digital tattoo: a smart contract that anyone can use for free (minus transaction costs) to leave…