What problem does this service solve?

HTMLCoin's goal is to create a better performing smart contract platform.

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

Qtum is a smart contracts platform and currency protocol that combines attributes of Bitcoin and Ethereum.

Token Stats

Company Description

HTMLCOIN is a Proof-of-Stake (PoS) blockchain platform focused on enabling the practical applications of smart contracts. The HTML blokchain is a hybrid of Ethereum and Bitcoin, and also combines elements of other blockchain infrastructures.

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.

Qtum has been described as a hybrid between Ethereum and Bitcoin. Qtum is a smart contracts platform that places a strong focus on value transfers as well as decentralized apps. Qtum enables users to create smart contracts on the platform and conduct cryptocurrency transactions.
Qtum has a Proof-of-Stake (PoS) consensus algorithm. Several decentralized apps are already using the platform.

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HTMLCOIN vs Sphere vs Qtum

HTMLCOIN

Sphere

Qtum