Peercoin

by Peercoin Foundation

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Ripple

by Ripple Labs

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ZCoin

by ZCoin

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Peercoin

by Peercoin Foundation

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Ripple

by Ripple Labs

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ZCoin

by ZCoin

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What problem does this service solve?

Peercoin aims to create a cryptocurrency that is secure, scalable, and distributed fairly.Ripple is an exchange and remittance network that aims to to allow fast financial transactions between banks, at minimal cost. Its protocol is built upon an open source distributed consensus ledger. XRP is the native currency that acts as a bridge currency between financial institutions to settle payments.ZCoin is a privacy focused cryptocurrency with an innovative mechanism to increase anonymity.

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Company Description

Peercoin is the first Proof-of-Stake (PoS) cryptocurrency. It was created in 2012 and is one of the oldest and most reliable cryptocurrency networks in the crypto sector. The protocol was developed by Sunny King and Scott Nadel, both of whom are anonymous. Sunny King also created Primecoin and VEE.
Peercoin’s PoS consensus mechanism is now widely used in the blockchain space, and allows every network participant to be both a miner or an owner. The project is focused on creating a cryptocurrency platform that will be stable, secure, energy efficient, and distributed fairly.

Ripple is a real-time settlement and remittance network that is designed for the banking industry. Its settlement infrastructure technology has been adopted by a growing list of financial institutions looking to leverage the benefits of distributed ledgers. Ripple's real-time settlement network connects banks and enables cross border settlements and transactions in real-time. The current settlement infrastructure requires many intermediaries, and performing transactions take time and cost money. Ripple provides the underlying infrastructure for banks, and enables these transactions to be executed directly at almost no cost.

ZCoin is a privacy focused cryptocurrency built on Ethereum. The ZCoin protocol enables anonymous transactions with cryptography that utilizes Zero-Knowledge Proofs (ZKP). ZCoin increases privacy on their network by using a coin-mixer contract that wraps transactions in a serial number and destroying wrapped coins once they have been redeemed.
Zcoin was the first cryptocurrency to use a Merkle Tree Proof (MTP) as its proof of work algorithm. Merkle Tree Proofs are an innovative solution to achieving network consensus, and can increase transaction time while reducing the centralizing tendency of ASIC mining.

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