# Gavin Andresen # 2011-08-02 05:36:54 # https://bitcointalk.org/index.php?topic=33618.msg420099#msg420099 blk0001.dat stores all of the transaction data for the block chain. @p{par} So to "inject" data into it you transmit valid transactions that are then included in blocks. Dan crafted transactions that contain the tribute message. @p{par} I think it is a neat hack. ("hack" in the sense of "clever, non-obvious way to use technology") I wonder how much it cost in transaction fees, or if he managed to do it entirely with free transactions... @p{brk}