These are the properties i know of bitcoin.

21 million supply cap limit , 80{88c91daedd271a990a10650c05d769cae2765e0603edf30ca95f18704e5748e8} mined , divisible , Works on maths and computer power

Forking will split bitcoin into two competing currencieS . Can someone explain the properties of BU? . Will it begin its own supply cap or will BU chip away at BTC. On day one of BU will it be 0{88c91daedd271a990a10650c05d769cae2765e0603edf30ca95f18704e5748e8} mined and start from there? Basically is it a completely new currency in the way that litecoin was when it was created. Or is this something entirely different