With autovoting mecanisms, ucoin is voting itself new amendments. So if you want to join a uCoin currency using such mecanism, no human intervention is required.
Just do the following:
If Node.js is not installed, check this document to do so.
For Ubuntu 14.04, you can just do:
$ sudo npm install nodejs npm
ucoin-cli tool is required for the next steps. What you need is just to do the following:
$ sudo npm install unix2dos
$ sudo npm install -g vucoin
$ ucoin -s ucoin.twiced.fr -p 9101 -u nameOfYourKey send-pubkey
$ ucoin -s ucoin.twiced.fr -p 9101 -u nameOfYourKey join
$ ucoin -s ucoin.twiced.fr -p 9101 -u nameOfYourKey leave
If you want to participate to the voting of newcoming amendments, just register yourself as voter:
$ ucoin -s ucoin.twiced.fr -p 9101 -u nameOfYourKey voter
Note that you will have to wait next amendment to ratify your registering. Thereafter, you will need a valid node using your key (or subkey) to participate in voting next amendments.
Contract will evolve by itself, or more precisely according to incoming votes, automatically generated by nodes. When your changes have been enoughly voted, they will be part of current Contract.