Originally Posted by TheCyberDruid
Didn't see any note about it being tape cracktros. Interesting that there were copy protections on tapes though.
Not on tapes, loaders were copy protected, you can copy original tape but it dont work without good crack.
edit : Complex loaders with unusual speeds or encoding were the basis of the ZX Spectrum copy protection schemes, although other methods were used including asking for a particular word from the documentation included with the game (wiki)
it was or very similaro for other systems