According to the Electric Coin Company, the team behind the cryptocurrency network Zcash, the protocol is soon to implement the largest upgrade in history. The Zcash development team has released the 5.0.0 codebase which supports the NU5 upgrade that will occur on or around May 31, at block height 1,687,104.
Electric Coin Company and Zcash Prepare for Network Upgrade
The second-largest privacy-centric crypto network, in terms of market capitalization, Zcash, will see a significant upgrade take place on or around May 31. Electric Coin Company and Zcash developers released the binaries for the Zcash 5.0.0 codebase, and the binaries are now available via the Zcash download web portal. Developers are asking all Zcash participants who run the codebase software to upgrade to the latest release or any subsequent release.
According to the Electric Coin Company’s (ECC) most recent blog post, NU5 plans to implement the Orchard shielded payment protocol and the Halo proving system. The firm says that it will “remove reliance on complex setup ceremonies.” “The efficiencies built into this upgrade make possible — for the first time ever — private, trustless digital cash payments on mobile phones,” ECC’s blog post notes. “Halo also paves the way for increased interoperability by providing a system that could unlock private cross-chain proofs at scale.”
Zcash founder Zooko Wilcox-O’Hearn further tweeted about the release on Wednesday. It’s here — Zcashd 5.0.0 — If the Zcash users choose to run zcashd 5.0.0, then at the end of this month Zcash Network Upgrade 5 will activate on mainnet,” Zooko said. “This is a historic step forward for human society. It is a historic step forward for two reasons: 1. It puts the soundest money in the world—Zcash—on a foundation of long-term, scalable, and extensible cryptography. 2. It marks the maturation of zero-knowledge proofs into a general-purpose technology.”
The Zcash founder continued:
Network Upgrade 5 moves Zcash onto the foundation of a completely new Zero-Knowledge Proof system: Zcash Halo, the first zero-knowledge proof system that is both (a) efficient and recursive, and (b) doesn’t rely on Ceremonies (“trusted setups”).
ECC Executive: ‘Complex Trusted Setup Ceremonies Are Now a Thing of the Past’
According to ECC, the upgrade has been under “extensive review at both the specification and implementation levels” and the team used third-party audits from NCC and QEDIT as well. Furthermore, the team leveraged the cryptography researcher at the Ethereum Foundation Mary Maller to conduct a review. Maller checked the “theoretical reasoning behind the zero-knowledge and soundness of the protocol” in the Halo2 security review. Josh Swihart, the senior vice president of growth, product strategy, and regulatory affairs at ECC, said the upgrade will be the protocol’s largest.
“NU5 is the largest network upgrade in Zcash history. By utilizing the Halo proving system and Orchard shielded payment protocol, complex trusted setup ceremonies are now a thing of the past, and users can make private, trustless digital cash payments on mobile phones,” Swihart said in a note sent to Bitcoin.com News. “The upgrade marks a significant milestone, not only for Zcash, for the field of zero-knowledge cryptography.”
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