This must be the easiest cash system to hack ever made. I'm guessing Square's security will be on the other side - fixing up invalid transactions easily after they happen?<p>They really need to add some kind of guarantees/insurance onto a system like this...
Hopefully there wont be the same issues as with posterous:<p><a href="https://news.ycombinator.com/item?id=1441997" rel="nofollow">https://news.ycombinator.com/item?id=1441997</a>
What will be the difference compared to sending money with Gmail? <a href="http://www.google.com/wallet/send-money/" rel="nofollow">http://www.google.com/wallet/send-money/</a>
wot blocked the site for me and I see why on <a href="http://www.mywot.com/en/scorecard/square.com" rel="nofollow">http://www.mywot.com/en/scorecard/square.com</a> (spam?)