For special purpose off market BEP20 trades where 2 addresses can sign a contract that specifies the opposing flows of 2 BEP20 assets. It sould have a fill or kill time limit.
Example: trader A uses a pre-existing contract standard that allows A to specify what BEP20 asset with quantity A sends, trader B, what and how much trader B sends in exchange, and a time limit to fill the trade. B simply approves or lets expire.
This would facilitate block trading.
there doesn't seem to be anything here