second income stream

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------> STАRT МАKE BIТСОIN NОW!! <------
------> SТАRT МАКЕ BITСОIN NОW!! <------
------> START MАKE ВIТCOIN NОW!! <------



that‘s easy to understand. one major problem every payment network has to solve is to prevent the so-called double spending : to prevent that one entity spends the same amount twice. usually, this is done by a central server who keeps record about the balances. in a decentralized network , you don‘t have this server. so you need every single entity of the network to do this job. crypto portfolio tracker every peer in the network needs to have a list with all transactions to check if future transactions are valid or an attempt to double spend. but how can these entities keep a consensus about this records? if the peers of the network disagree about only one single, minor balance, everything is broken. they need an absolute consensus. usually, you take, again, a central authority to declare the correct state of balances. but how can you achieve consensus without a central authority? nobody did know until satoshi emerged out of nowhere. in fact, nobody believed it was even possible.

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