> 1) At some point during development he would have absolutely been the only one mining because the code only existed on his machine. Block 1 was created about

> 1) At some point during development he would have absolutely been the only one mining because the code only existed on his machine. Block 1 was created about 7 after the software was publicly released. Whatever he did in development was thrown away, block 0 is an unspendable placeholder.