You'll need to get your wallet address for each blockchain you interact with using D'Cent Wallet - for example ETH, ADA and AVAX. The instructions will be similar for each:
Good to know
There are some blockchains - like BTC - where you'll need your xpub key to connect to Koinly instead. You can find more information on how to export your xpub key here.
Issues connecting D'Cent and Koinly? No problem, here's where you can find help: