A blockchain is a shared record that no single company or government controls. That simple idea now powers smart contracts, digital ownership, tokenised assets and a new generation of internet apps known as Web3. Brian Rose has interviewed the computer scientists, founders and investors building these networks to ask how the technology works, what it is good for and what still stands in the way. This page is about the technology and its builders, not coin prices. Every full interview is free to watch.
From Avalanche founder Emin Gün Sirer and Mysten Labs co-founder Kostas Chalkias to Stacks founder Dr Muneeb Ali, Polygon co-founder Sandeep Nailwal, Hedera co-founder Mance Harmon, The Sandbox co-founder Sebastien Borget and Outlier Ventures founder Jamie Burke: how blockchains are built and what they could change.
Every blockchain has to balance speed, security and decentralisation. Kostas Chalkias, a cryptographer and co-founder of Mysten Labs, explains why he believes Sui can be the fastest and most scalable blockchain yet. Emin Gün Sirer and Ava Labs president John Wu set out how Avalanche aims to bring the world’s assets on-chain. Sandeep Nailwal discusses the Ethereum Merge, and Waves founder Sasha Ivanov describes his plan to democratise the blockchain. Muneeb Ali explains how Stacks brings smart contracts to Bitcoin, and Charlie Hu describes how Bitlayer is building a faster layer on top of Bitcoin.
Many builders argue that blockchains let people truly own what they buy and create online. Sebastien Borget explains how The Sandbox lets players build, own and earn from virtual worlds. Animoca Brands’ Robby Yung argues the metaverse must stay open, and Enjin co-founder Witek Radomski sees blockchain games and NFTs as just the start. Illuvium co-founder Kieran Warwick wants to bring mainstream gamers on-chain, while Audius co-founder Roneil Rumburg describes how decentralised streaming gives power back to musicians. Richard Muirhead of Fabric Ventures explains why Web 3.0 matters and how Europe is catching up.
John Lilic, an early ConsenSys employee and former Polygon adviser, warns that quantum computers could break the cryptography behind Bitcoin and DeFi within two to three years, and explains why he sees post-quantum security as urgent. Mance Harmon of Hedera argues that everything will one day be tokenised, and John Patrick Mullin describes what he calls a $16 trillion tokenisation revolution. Viktor Fischer of RockawayX explains why he expects blockchain to reach $10 trillion within five years, and Jamie Burke talks about building Outlier Ventures into one of the most active Web3 investors and accelerators.
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Who has London Real interviewed about blockchain? Brian Rose has interviewed Emin Gün Sirer, Kostas Chalkias, Muneeb Ali, Sandeep Nailwal, Mance Harmon, Sebastien Borget, Jamie Burke, John Lilic, Viktor Fischer, Robby Yung, Witek Radomski, Richard Muirhead and Sasha Ivanov, among many others.
What is the difference between blockchain and cryptocurrency? A blockchain is the underlying technology: a shared, tamper-resistant record. Cryptocurrencies are one use of it. This page focuses on the technology and the people building on it. For the market and investing side, see London Real’s cryptocurrency interviews, and for lending and yield, the DeFi interviews.
What is Web3? Web3 is the idea of an internet where users, not platforms, own their data and digital assets, using blockchains to prove ownership. Sebastien Borget, Richard Muirhead and Jamie Burke each explain what that could look like in practice.
Is blockchain secure? The guests see security as an open challenge. Cryptographer Kostas Chalkias focuses on building chains that are both fast and secure, while John Lilic argues the industry must prepare now for quantum computers.
Are the full blockchain episodes free to watch? Yes. Every full-length interview on this page can be watched free on londonreal.tv.
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