What problem does this service solve?

PLATINCOIN creates a Proof-of-Stake consensus mechanism with a long term commitment from network participants to contribute to managing the network.

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

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

Token Stats

Company Description

PLATINCOIN is a Proof-of-Stake coin that is minted instead of mined. Users participate in managing the network by renting hardware space from the project organizers for a period of 36 months. These computing resources will drive the PoS consensus, and the users that rent the hardware will be rewarded with newly minted PLC coins.

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.

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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PLATINCOIN vs BlackCoin vs Sphere

PLATINCOIN

BlackCoin

Sphere