BNB (Binance Coin) is a cryptocurrency used on the Binance platform. "Soft stocking" isn't a standard term in this context. Could you be referring to:

1. *BNB staking*: Earning rewards by holding BNB in a Binance account?

2. *BNB investment*: Buying or investing in BNB?

3. *Binance Earn*: Binance's platform for earning passive income, including BNB?

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