Bitcoin Cash is
a modified version of the Bitcoin cryptocurrency, also known as a «fork» off of classic Bitcoin.
Anyone can copy, modify, and release
a modified version of Bitcoin.
Not exact matches
Strictly speaking
modifying the protocol would generate an alternative
version of Bitcoin (altcoin), unless all
Bitcoin stakeholders (nodes, miners, users, wallets, exchanges) accept these new rules.
Combining a
modified Bitcoin Core infrastructure with an intercompatible
version of the Ethereum Virtual Machine (EVM), Qtum merges the reliability
of Bitcoin's unfailing blockchain with the endless possibilities provided by smart contracts.
That is why Qtum made the decision to build a
modified Bitcoin Core infrastructure (UTXO) with an intercompatible
version of the Ethereum Virtual Machine (EVM), which leverages the more economical proof
of stake consensus model.