What problem does this service solve?

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

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

Sphere's goal is to create a digital currency with a fair distribution model.

Token Stats

Company Description

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.

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).

Sphere is a smart contract platform and peer-to-peer payment network. The network has a hybrid PoW and PoS consensus mechanism and is powered by the native SPHR token, which can be swapped for an ERC20 token over the Ubiq smart contract platform.

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BlackCoin vs HappyCoin vs Sphere

BlackCoin

HappyCoin

Sphere