21 authors, 21 stories, and 21 alternate universes.

Stories:

Political dissidents scramble to cross the threshold to freedom.

A decades-long hunt for keys incites a change in world order.

A clear-blood dares to question the oppression of noderoids.

A cryo-frozen oligarch wakes into his worst nightmare.

A lowly space station miner buys a planet.

In this book of diverse stories planted firmly in the bitcoin-verse, reality fractures into 21 futures. Some are wonderful, others terrifying.

You are not prepared.