Thanks for help....
But if my wallet takes care of my amount (that I can spend) why blockchain implement so much protection about double spending
Than this is not nessary...
Suppouse that two transaction came into the same time (in milisecond) on network. Who than say you will be last transaction in block n-1, and you will be first in block n. If system is decentralized, what if other node say different.
But if my wallet takes care of my amount (that I can spend) why blockchain implement so much protection about double spending
Than this is not nessary...Suppouse that two transaction came into the same time (in milisecond) on network. Who than say you will be last transaction in block n-1, and you will be first in block n. If system is decentralized, what if other node say different.