Hey everyone /
if someone needs for 69:
19vkiEajfh i9pMP9v4vtttK8BtkwqLjafX
(WIF): p2pkh: KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qhGYQWpyawGq7TeLoEkQ
(HEX): 17353DBA52F00471D3

everything—except bitcracking and mining. Any hints for Puzzle 68's first 3-digit range? Hehe.