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Re:Tell HN: Meeting Satoshi by Yorn on Thursday March 06, 2014 @12:30PM (#7355158)
What cellphone app allowed you to buy and sell Bitcoins in July 2011? I didn't think QR codes were regularly used till late 2011/early 2012.
Re:Tell HN: Meeting Satoshi by jnbiche on Thursday March 06, 2014 @01:23PM (#7355566)
Yeah, there were several floating around at that time, as I recall. For example, Bitpay started up around that time, and they had a QR-code-enabled mobile app when they launched.

The first commit of bitcoin-wallet (most popular Android wallet presently) was March 8, 2011: https://github.com/schildbach/bitcoin-wallet

Here's another from that time: https://github.com/barmstrong/bitcoin-android

Re:Tell HN: Meeting Satoshi by Yorn on Thursday March 06, 2014 @04:50PM (#7356863)
Thanks. I do remember using that one or one similar in maybe Fall of that year. I believe the first ones actually downloaded the entire Blockchain which was maybe a gig or two at the time. The one I had became unwieldy enough that I eventually just uninstalled it.