Definition of "cryptosphere"

The teeming multitudes are to be found hidden in the soil, or beneath the debris that covers much of the earth's surface. The latter environment, the cryptosphere, provides a series of microhabitats that link their inhabitants with the environment in which they evolved many millions of years ago.

2020 , John Cloudsley-Thompson, Terrestrial Environments, Routledge, page 22

The core-team Apes describe the graffiti-covered bathroom of the club itself — which looks like a sticky Tiki bar — in a way that echoes that project’s broader mission: “Think of it as a collaborative art experiment for the cryptosphere.”

2021 November 1, Samantha Hissong, “How Four NFT Novices Created a Billion-Dollar Ecosystem of Cartoon Apes”, in Rolling Stone‎

The following became obvious quite quickly – the cryptosphere needed a nonvolatile peg.

2022, Simon Dingle, Steven Boykey Sidley, chapter 7, in Beyond Bitcoin‎, Icon Books