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I'll point out that E-currency was the inevitable evolution of wealth. A good currency should allow the owner to pay for something regardless of where the person being paid is located, and that transaction should take little time. Furthermore, a good currency is secure from theft and catastrophe by decentralizing the ledger. Hacking or destroying 1 ledger should have no consequence due to the redundancy of the other ledgers. Finally, a good currency should have a low cost to store and to transfer.
The last point is where I think Bitcoin should be improved. It isn't efficient to have many powerful computers solving artificial puzzles to authenticate a transaction.
My question is, how quickly can Bitcoin transactions clear given that a limited number of transactions are processed in batches, and that authenticating the transactions requires a compute-intensive solution?
For any e-currency to survive, it needs to get to the point that I can pay for groceries almost instantly, and for next to no transaction cost.
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