What problem does this service solve?

Haven aims to develop a decentralized ecosystem that will accommodate multiple private, price-stable currencies.

Hush uses uses zero-knowledge cryptography to allow users to send anonymous transactions and messages.

Grin's goal is to use the MimbleWimble protocol and the properties of Elliptic Curve Cryptography (ECC) to enable anonymous transactions.

Token Stats

Company Description

Haven is developing a blockchain-based ecosystem of multiple decentralized coins. The Haven protocol places an emphasis on privacy and price-stability, and like Monero, is based on the CryptoNote protocol. Haven has a Proof-of-Work (PoW) consensus mechanism that is AISC-resistant, and has a dynamic block size. The platform is powered by the XHV coin.

Hush is a cryptocurrency and messaging protocol that is focused on privacy. It uses a the equihash mining algorithm, which is a Proof-of-Work (PoW) consensus mechanism. It offers a high degree of privacy, and allows users to transact and send messages anonymously.
Hush is a fork of Zcash, and uses zk-SNARKS for zero-knowledge cryptography. Hush will allow developers to deploy Ethereum smart contracts on the Hush network.
The founders of Hush are closely associated with Komodo.

Grin Coin is a community driven blockchain project that aims to create a lightweight mimblewimble blockchain that will enable anonymous transactions. Grin has a Proof-of-Work consensus mechanism. Transactions are executed while hiding addresses and amounts.

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Haven Protocol vs Hush vs Grin Coin

Haven Protocol

Hush

Grin Coin