Blockchain Waves (WAVES coin is needed to pay the transaction fee)
Duck Egg (EGG)  C1iWsKGqLwjHUndiQ7iXpdmPum9PeCDFfyXBdJJosDRS
USDN (Neutrino USD)  DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p
Here you can buy and sell EGG and USDN and WAVES:   waves.exchange

Binance Smart Chain (BSC) (BNB coin is needed to pay the transaction fee)
Waves Ducks (EGG)   0x889efce29fa0bb9b26be9fda17a8003f4e8da4de
USDN (Neutrino USD)  0x03ab98f5dc94996f8c33e15cd4468794d12d41f9
Here you can buy and sell EGG:   BakerySwap (Check "Price Impact" before swapping)
Here you can buy and sell USDN:   ellipsis.finance

Duck Egg (EGG) = Waves Ducks (EGG)
You can buy WAVES on the stock market, send it to the Waves Exchange, and buy EGG.
Neutrino USD (USDN) is an algorithmic stablecoin pegged to the US dollar and backed by WAVES.