Real Vision senior editor Ash Bennington hosts Silvio Micali, founder of Algorand, to discuss Micali’s journey into crypto, the founding of Algorand, the power of randomness, zero knowledge proofs, and future of evolvability of blockchain protocols. When Micali discovered Bitcoin and Buterin’s blockchain dilemma—that no blockchain can all at once be decentralized, secure, and scalable—he knew there had to be way to solve this problem. He explains that in cryptographic systems, it’s easy to spread communication and messaging, but verifying if a message has been received or achieving common knowledge is difficult, which can prevent the achievement of security and trust in the system. For Bitcoin, Micali states that the blockchain has an ad hoc mechanism to reach agreement on a common block; on the other hand, Algorand uses a Byzantine Agreement on the block, utilizing the strongest form of consensus and mitigating the risk of “bad actors”. It also prevents the block from ever forking and, thereby, ensures that a block appearing on the chain will remain there forever, and this provides users the confidence to transact without worry of loss. Filmed April 16th, 2021.

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