Zcash Latest Hard Fork ‘Heartwood’ Makes Mining Private

Personal privacy coin Zcash has actually successfully hard forked in the organized network update “Heartwood.” With the update, miners can get coinbase purchases right to a personal address, along with other new attributes.

The difficult fork occurred on July 16 at 10:58 UTC at block elevation 903,000, according to the Electric Coin Company (ECC), the for-profit development home behind the project. An uncontentious tough fork, Heartwood was sustained by both the ECC and also Zcash Foundation.

The upgrade includes 2 Zcash Improvement Proposals (ZIPs). The very first, “Shielded Coinbase” (ZIP 213) brings long-sought personal privacy options for Zcash (ZEC) mining while ZIP 221 “Flyclient” adds assistance for light-weight customers that validate transactions, the ECC stated in a March blog.

As a difficult fork, the updates are backward incompatible, meaning all nodes have to sync to the new software program in order to utilize the Zcash blockchain.

Heartwood is the personal privacy coin’s 4th tough fork given that the network launched in late 2016. Zcash last hard forked in December 2019 with “Blossom.”.

” The Zcash Foundation is excited to sustain the Heartwood Zcash upgrade along with the ECC, as well as delighted that customers will quickly have the ability to attach to the Zcash network using Zebra, an alternate, consensus-compatible Zcash application developed by the Foundation,” Zcash Foundation executive director Josh Cincinnati claimed in an email to CoinDesk.

( The Zebra client, composed in Rust, was built in teamwork with Parity Technologies as well as launched in June 2019).

Personal coinbase purchases.

Protected coinbase purchases allow miners to assert coinbase purchases– the incentive for handling transactions– directly to Zcash’s shielded addresses. Protected addresses obfuscate details such as amounts, addresses and the encrypted memo field.

Applying exclusive coinbase deals has been on the Zcash roadmap because the job’s very early days. It was enabled by earlier technical updates discovered in 2018’s Sapling hard fork, according to the ECC.

” With this function, when a mining swimming pool or solo miner chooses to relocate coinbase rewards, [its] currently exclusive. As an example, a mining pool can carry out secured payouts to miners in a protected deal,” ECC CTO Nathan Wilcox said in an email to CoinDesk.


Flyclient enables users to verify purchases with the tiniest quantity of info possible. Comparable to Bitcoin Simplified Payment Verification (SPV) nodes, the spec verifies the knowledge of a transaction using just the block header, instead of the complete web content of the block.

The ZIP has a few positive repercussions for programmers: It offers less complicated accessibility to cross-chain interoperability, such as with the Ethereum network, and gives defense for light customers. The ECC introduced plans to build interoperability jobs with the second-largest blockchain by market cap, Ethereum, at DevCon 5 this past October.

” Right currently, you need a Zcash full node to obtain complete privacy. Our ZIP assists safeguard light clients from malicious servers as well as pushes towards full privacy for every single purse,” claimed ZIP co-author and also Summa founder James Prestwich in a private message.

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