Zero-Knowledge Proofs


Policy

From Smuggling Gold Out of Africa to Bridging Bitcoin and Cardano

A longtime regular on the crypto scene, Sovryn and BitcoinOS founder Edan Yago learned the importance of financial sovereignty at an early age.

Photo of Edan Yago standing in front of  a sponsor board. (Courtesy: BitcoinOS)

Tech

Buenos Aires Adds ZK Proofs to City App in Bid to Boost Residents' Privacy

The crypto-adjacent tech is meant to give the Argentine capital's 3.6 million residents greater control over their personal data.

The La Boca neighborhood in Buenos Aires, Argentina (Eduardo Sánchez/Wikimedia Commons).

Opinion

The (Zero-Knowledge Proof) Singularity Is Near

This month may well be remembered as an inflection point in the acceleration toward real-time proving of transaction validity for blockchains.

Proof singularity would pave the way for a more interconnected and scalable Web3 ecosystem. (NASA Hubble Space Telescope/Unsplash)

Tech

Polygon to Buy $5M of Servers With Computer Chips Devoted to Zero-Knowledge Cryptography

The purchase is part of a deal with hardware maker Fabric, which is also producing custom zero-knowledge chips for Polygon's AggLayer.

Polygon co-founder Mihailo Bjelic (Polygon)

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Tech

Polygon Begins Token Swap, in Move to Allow More Issuance

The migration from Polygon's MATIC token to POL will also bring in some tokenomics changes with a new emission rate of 2% annually.

Polygon Labs CEO Marc Boiron (Polygon Labs)

Tech

Polygon to Start Much-Awaited Swap of POL Token for Longstanding MATIC

The migration to POL from MATIC will also bring in some tokenomics changes with a new emission rate of 2% annually.

Polygon Labs CEO Marc Boiron (Polygon Labs)

Policy

Banks Using Permissionless Blockchains for Transactions Face Multiple Risks: BIS

Risks include operations and security, governance, legal, settlement finality and compliance, the report said.

BIS building (BIS)

Tech

It's a Different Sort of Olympics as Cryptographers Face Off in Polyhedra's 'Proof Arena'

This team of cryptographers claimed their "prover" – a key component of many blockchain systems – was faster than anyone else's. Now they've built a platform they say will provide transparent benchmarking for anyone who wants to compare the various options out there.

With Polyhedra's new "Proof Arena," it should be easier to tell who's the fastest (April Walker/Unsplash, modified by CoinDesk using PhotoMosh)

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Tech

Bitcoin's 'OP_CAT' Possibilities Teased in StarkWare Test Project

StarkWare used its new STARK verifier on the Signet network, a testing environment for Bitcoin, in a proof-on-concept project designed to demonstrate what the oldest blockchain might be capable of were the pending "OP_CAT" technical proposal to get adopted.

StarkWare CEO Eli Ben-Sasson (Margaux Nijkerk)

Tech

Polygon's New ZK Proving System, 'Plonky3,' Comes as Open-Source Toolkit

Proving systems are a crucial component at the heart of blockchain ecosystems, allowing secondary "rollup" networks to confirm transactions on a base chain like Ethereum. Polygon's prior version, Plonky2, was released in 2022.

Polygon Co-founder Daniel Lubarov (Polygon Labs)