bitcoin/bitcoin — pull request #1392 by gavinandresen (2012-05-25 18:46:29+00:00)
Title: Testnet reset

Changes:

+ New genesis block
+ Checkpoint at block 546
+ Blocks <546 contain lots of interesting test cases (blockchain uploaded to https://github.com/downloads/bitcoin/bitcoin/testnet3.zip )
+ testnet IRC channel for bootstrapping changed to #bitcoinTEST3
+ testnet database directory changed to testnet3/