Ethereum Gets Another Privacy Boost as Aztec Brings Back zk.money

In short

Aztec Labs relaunched zk.cash, a privateness pockets it shut down three years in the past, on its privacy-first Ethereum layer-2, Aztec Community.
Customers ship stablecoins to tags like bob.zk.cash. Funds contained in the pockets are personal, however deposits from Ethereum stay public.
Transactions are capped at $2,500 in the course of the early rollout. The unique zk.cash drew greater than 75,000 wallets and $100 million in quantity.

Three years after pulling the plug, Aztec Labs is bringing zk.a reimbursement from the lifeless.

The privacy-focused Ethereum developer relaunched the self-custodial pockets Tuesday, letting customers ship and obtain stablecoins with out broadcasting balances, quantities, or recipients to the world.

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Customers declare a tag comparable to bob.zk.cash, which resolves by the Ethereum Identify Service, or ENS, to a deposit handle, in keeping with Aztec’s posts on X.

“Onchain transactions between two people should not imply publishing your monetary historical past to the world,” Aztec Labs CEO Joe Andrews stated in an announcement.

The pockets runs on Aztec Network, which the corporate’s developer documentation describes as a privacy-first Ethereum layer-2, a separate community that settles again to Ethereum.

Personal capabilities run on the person’s personal machine, which generates zero-knowledge proofs. These are cryptographic receipts that affirm a transaction is legitimate with out revealing its particulars.

The personal funds by way of zk.cash, although, have their limits. Deposits from Ethereum stay public, Aztec famous, whereas funds made inside zk.cash keep hidden. Customers can ship USDC, USDT or DAI from an change or Ethereum pockets.. Early caps additionally apply, since transactions are restricted to $2,500 every, and all customers share a $50,000 day by day deposit ceiling.

As a result of the pockets is self-custodial, Aztec says it will possibly’t spend or freeze person funds, and no privileged administrator controls it.

The unique zk.cash debuted in 2021 and drew greater than 75,000 wallets and $100 million in quantity, Aztec stated, earlier than the group shelved it to construct its personal community. Again in 2021, Aztec raised $17 million in a Paradigm-led spherical. It additionally expanded zk.cash with Aztec Join, a toolkit for plugging its privateness tech into DeFi protocols.

The relaunch comes as privateness climbs Ethereum’s agenda. Builders are weighing proposals for next year’s Hegotá upgrade that might let privateness swimming pools pay their very own transaction charges with out intermediaries.

And in a submit this weekend, co-founder Vitalik Buterin stated special-purpose apps might get “very strong privacy” by zero-knowledge proofs as a part of his “cryptographic world pc” imaginative and prescient.