Cemetery / COSS

Exchange halted No claims

COSS

Crypto One-Stop Solution (COSS) exchange that ceased as a usable venue around 2020. Exact filing dates are soft — deepen when primary notices are found.

2020-01-01 · 2020-12-31 · Educational fiche — not tax advice

1. History reconstruction

Where leftover records may still live.

CSV / statements: Any COSS CSV users exported locally.

  • Dates approximate (~2020) until primary notices are attached.

2. Sources