Quote from: fluffypony on September 16, 2014, 06:17:26 PM

Quote from: Odalv on September 16, 2014, 04:21:37 PM

lol, I still don't get it.
Who or what prevents me from ring-signing your input and send your money to my address(output).

Please take the time to familiarise yourself with some basic cryptocurrency concepts:

https://en.bitcoin.it/wiki/Transactions#Input
https://en.bitcoin.it/wiki/Transactions#Output

http://www.coindesk.com/information/how-do-bitcoin-transactions-work/

https://bitcoin.org/en/developer-guide

Edit: again, not to repeat myself, but as I already said in my previous post: "You can't change an input without mucking up the signature for the whole transaction."

I do not talk about bitcoin here. Bitcoin is signing transaction perfect. It does not use ring signatures.

Edit:
Alice, Bob and Carol do not want spend their Monero. But hacker Dave wants their money. A ring signature obscures identities because it only proves that a Dave belongs to a group. So Dave ring-signing Alice, Bob Carol and Dave inputs and send XMR to his new stealth addresses.

Edit2:
Monero is same as money on the pavement. So easy to just pick up them from the pavement. Easy money ... but worthless, who can use them?
(Am I wrong ? Why ?)