Quote from: Riffed on March 06, 2014, 08:05:20 AM

Quote from: whtchocla7e on March 01, 2014, 02:39:08 AM

Suppose I have 1 BTC.

I send my 1 BTC to an address XXX that has a balance of 50 BTC.

Next, 5 BTC are sent from XXX to YYY.

Where is my 1 BTC now? Does XXX or YYY have it?

Suppose I have $1 USD in my checking account.

I transfer my $1 to Bill online, who has $50.

Next, Bill transfers Mary $5.

Where is my $1? Does Bill or Mary have it?

The question is meaningless with anything fungible. Ownership doesn't track through a fungible account.

Unfortunately, in this case, it is meaningful, you don't drop all your TXINs into a hat, you actually keep them apart.