#243 Izaak Meckler & Evan Shapiro: Coda – A Succinct Blockchain

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One of the key scalability challenges with public cryptocurrency blockchains is that their size grows linearly with the number of transactions. Mature blockchains such as Bitcoin and Ethereum contain 170GB and 1 TB of historical data respectively. New nodes joining these chains need to download this data and verify it in order to become a ""full node"". The number of full nodes is a key measure of decentralization, and difficulty becoming a full node translates into future centralization.

In this episode, we are joined by the duo of Evan Shapiro and Izaak Meckler, CEO and CTO at O(1) Labs respectively. O(1) labs is a pioneering company that uses zkSNARK technology in order to construct a cryptocurrency blockchain, called Coda, that solves the blockchain size scalability bottleneck. New nodes joining the Coda network will be able to trustlessly boot up in under a minute by verifying cryptographic proofs that attest to the validity of the current chain. This technology has great potential to enable decentralization, and for one blockchain to be a light client of another blockchain.

Topics discussed in this episode:
– Scalability challenges of current cryptocurrencies
– Background on O(1) labs and their mission statement
– How Coda uses succinct computational integrity technology (zkSNARKs) to enable further decentralization of blockchains
– Snarky – a domain specific language for zkSNARK computations
– Current state of Coda and roadmap

Links mentioned in this episode:
– Coda protocol website:
– Coda Whitepaper:
– Presentation on Snarkly by Izzak Meckler:
– zkSNARKs in a nutshell by Christian Reitweissner:
– zkSNARKs in a nutshell by Vitalik Buterin:
– Coda presentation from ZCon:

– Shapeshift: Buy and sell alt coins instantly and securely without a centralized exchange –

This episode is also available on :
– Epicenter.tv:
– YouTube:
– Souncloud:

Watch or listen, Epicenter is available wherever you get your podcasts.

Epicenter is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.

18 Comments on #243 Izaak Meckler & Evan Shapiro: Coda – A Succinct Blockchain

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