If 98% of the atoms in our body are replaced in just 1 year, what are we?

[Trading]

I disregarded any metaphysical considerations because of this: https://bitcointalk.org/index.php?topic=1424793.0

[dylanc]

Every new year, I become a new man. True story

[DrPepperJC]

Cloning is one of the last problems of scientific development. The most fundamental limitation is the impossibility of a repetition of consciousness, it can not be a complete identity of individuals, as shown in some movies, but only about a conditional identity whose measure and boundary is still to be investigated.

[BADecker]

More than likely, close to 100% of the subatomic particles that make up the protons, neutrons, and electrons in our bodies, are constantly replace and converted, almost instantaneously every second, as the parallel universes that create them roll past each other.

What, really, are we?