This depends on the wallet you're using, but with Electrum you can do this by importing the private keys of all the adresses holding small amounts, then simply hit CTRL(?) in the coins tab, and you can select multiple balances from adresses you want to send from. Find the easiest way for you to buy cryptocurrency. Advantages. The SWIFT protocol is widely accepted and used to transfer money (large and small amounts). Bitcoin is the easiest way to transact at a very low cost. Fees are unrelated to the amount transferred, so it's possible to send , bitcoins for the same fee.
Yes, true but I don't know anything about it.