To reply to the dead sibling comment: Depositing a copy of a book to the LoC is already the (dated) default behavior for hard-copy published text. Even if it's

To reply to the dead sibling comment: Depositing a copy of a book to the LoC is already the (dated) default behavior for hard-copy published text. Even if it's not strictly required, it mostly works. But as I said, perhaps you get a base 12 years protection just by publishing (the status quo, but shorter base term), and only register the source/ archive if protection beyond that is financially worthwhile. DRM content that wants DMCA type protection (hopefully a more reasonably thought out protection) requires a single tested key in escrow per protected work, or doesn't get any circumvention or takedown protection. The exact mechanisms and terms would need to be tweaked by format and maybe even market, but the idea is to create underlying aligned incentives, without unduly burdening casual creators who might not wish to opt-in.