We support all the major coins, all ERC20 coins, and many altcoins.
We do not support every coin, exchange and wallet though. In the case that your coin is not supported- we'll need to create a custom csv to get your transactions into our system.

As of 3/3 these are the supported coins in ZenLedger that allow blockchain import:

Instructions to create a custom CSV:
http://support.zenledger.io/accounting-with-zenledger/how-do-i-upload-a-custom-csv

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