Theoretically, if the recipient address had already disclosed the
public key (i.e. already spent from that address), or shared it with
you instead of (or alongside with) the address, then you can use
recipient's ECDSA key to encrypt the message with ECC, as both ECDSA
and ECC share the same kind of
Hey guys,
Features info,
I know we can add text to a btc transaction and it is pretty easy,
However is it possible to encrypt the data in a way that only the receiver
would be able to read it in clear.
And of course without having to exchange info off the network.
And if not possible on bitcoin
Granted that removing the 21M coin cap is basically a non-starter in de
bitcoin community I'd like to respond to a couple points in your proposal.
The Y% difficulty adjustment should still be calculated through some
averaging of a certain number N of past blocks. Otherwise two lucky high
difficult
>1. Introducing state checkpoints into the chain itself could make it possible
>for full nodes to skip verification of large sections of historical data when
>booting up.
What you are suggesting, unless I am mistaken, is that new full nodes should
have no way of knowing if an output is spent o
