Ravencoin is a blockchain created by the owner of Overstock.com. It is a use case specific blockchain for the declaration of ownership of digital assets. Ravecoin is a fork of Bitcoin, and was originally funded by Medici Ventures, a blockchain investment fund owned by Overstock.com.
Ravencoin's name is inspired by the use of Ravens in sending messages, and its blockchain is designed to carry statements of truth about who owns what asset. The developers created a new consensus algorithm called x16r to solve the problems of centralized ASIC mining. The algorithm is unique in that it consists of 16 different hashing algorithms whose order are randomly changed.

FairCoin

FairCoin is based on an innovative blockchain technology, which has been changed in July 2017 from a 'Proof-of-Stake' protocol to a 'Proof-of-Cooperation' (PoC) mechanism. Our currency not only requires less energy and enables faster transactions, but also introduces a certain level of trust and democratic values even on the technical level. Here you find the White Paper and more information about PoC and our FairChains project.

With the support of FairCoop, FairCoin implements fair value exchange on a global level. Our innovative Proof-of-Cooperation (PoC) blockchain mechanism is the unique consensus algorithm developed for FairCoin. It requires much less energy than other blockchains but also enables faster transactions. We are proud that FairCoin now is the the most ecological and resilient cryptocurrency.

Ecological
Very low power consumption for transaction control

Safe
Cooperatively validated nodes (CVNs, see FAQs)

Fast
Transaction visible in seconds,
confirmation max 3 minutes

Ethical
Supports fair business values

Strong
Strong and growing support from cooperatives worldwide

Controlled growth
Official price is 1 FAIR = 1,20 Euro (see our 'slow' price adoption strategy)

Vibrant
Strong community with daily online collaboration & regular local node meetings

Visit FairCoop's marketplace to
buy goods with FairCoin online
with joint delivery service.

FairMarket

Map of FairCoin nodes
and merchants in
several countries worldwide.

Viacoin is an open source cryptocurrency based on the Bitcoin protocol. Viacoin has a 24 second block time and relatively fast transaction times. It can handle 175 transactions per second without scaling through Segwit or the Lightning Network. The fast transaction times make Viacoin a good option for sending micropayments. The platform also enables users to perform cross-chain atomic swaps between different cryptocurrencies, without a centralized exchange. Viacoin has an Auxiliary Proof-of-Work (AuxPoW) consensus mechanism that allows miners to mine multiple coins, that use the Scrypt algorithms, at the same time. Viacoin's smart contract platform, Rootstock, is compatible with Ethereum smart contracts.