can any one tell me how to use bitcoin core qt without download the whole 40gbblol
that will end my internet storge:)
There are SPV wallets for that. U then download only little bit of data like 250 MB compared to 40 GB that will end my internet storge:)
and there u go, u can use bitcoin very fast.Good luck, spv is multibit for sure, other are electrum in a way etc.