What problem does this service solve?

HappyCoin is a community oriented digital currency that was designed to be used to buy goods and services in Thailand.

Primecoin uses prime number generation to improve Bitcoin's PoW protocol.

BlackCoin does not appear to provide any unique advantages compared to other digital currencies.

Token Stats

Company Description

HappyCoin is a Thai digital currency. It is designed to be used as a medium of exchange within Thailand. HappyCoin (HPC) has a hybrid consensus mechanism that combines elements of Proof-of-Work (PoW) and Proof-of-Stake (PoS).

Primecoin is a cryptocurrency based on finding prime numbers. Identifying prime numbers plays a central role in cryptography. Primecoin's unique Proof-of-Work (PoW) consensus mechanism is able to increase transaction speeds and improve energy efficiency.
The network searches for special prime number chains known as Cunningham chains and bi-twin chains, which are of interest in mathematical research.

BlackCoin is a Proof-of-Stake (PoS) cryptocurrency created in 2014. Users are rewarded for staking their coins to secure the network. BlackCoin's staking rewards vary between 1% to 8% per year.

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HappyCoin vs Primecoin vs BlackCoin

HappyCoin

Primecoin

BlackCoin