Notchcube

noun
A grey brick slightly larger than a fist; the basic building block of many Supra City megastructures.
Origin
Presumed to be coined after the creator of Minecraft, Markus “Notch” Persson.
Source
The Causal Angel

Truedeath

noun
Death of an uploaded mind without a backup.
Source
The Fractal Prince

Beemee

noun
A device for transmitting the sensorium.
Origin
Phonetic transcription of “be me”.
Source
The Fractal Prince

Wildcode

noun plural
Rogue nanomachines.
Source
The Fractal Prince

Spimescape

noun
An augmented projection of the current locale.
Origin
Spime, an object that can be tracked in space and time.
Source
The Quantum Thief

Millenniaire

noun
A person who possesses a fortune of time.
Origin
Portmanteau of ‘millennium’ and ‘millionaire’.
Source
The Quantum Thief