In order to check whether the address is valid, simply take the public address and search for it in the relevant blockchain explorer. 

For example, you can find scanners here: https://etherscan.io/ (Ethereum), https://explorer.bitcoin.com/bch (BCH/BTC) and https://live.blockcypher.com/ (LTC and more).

We hope this guide was helpful. If you still have questions contact Support Support via live chat, over email,  or by phone.

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