big bang model

The biggest threat to blockchain based cryptocurrencies is its massive adoption

# Bitcoin and Ethereum will disapear or become the money of the elite A

There is a paradox you need to know about blockchain based cryptocurrencies: the size of the blockchain itself is a big threat.

All transaction(s) are stored in a single file. It's the case for the majority of known Cryptocurrencies like BitCoin where the blockchain is about to reach 250 GB now :