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Technically OL Gateway could register the tokens for its holders, then distribute the native tokens accordingly. But they would need to plan for this. That said, there is a fallback (pending, unproven), but I doubt they would want to export their gateway's ethereum private key to exercise the fallback (unless they use a unique ETH address for each ETH token)

yep, or they just disable the asset at one point.

you can ask for info in their telegram https://t.me/OpenLedgerDC

Tried to, they gave me an attitude so I left.