⛏️BitPenny Mining Pool Shutdown

On April 3, 2011, the BitPenny mining pool shut down. The pool operator cited "ongoing losses preventing sustainable development" as the reason for closure. In reality, the issue seemed to stem from a poorly designed miner reward system.  https://web.archive.org/web/20160328181634/http://bitcoinminer.com/post/4304120696/bitpenny-closes-indefinitely