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The Bitcoin-Wiki page for Electrum says it's a Bitcoin wallet.
However, there is also a Litecoin version.
What currencies does Electrum support?
Electrum (http://docs.electrum.org/en/latest/index.html) only supports Bitcoin.
There is an Electrum clone (https://electrum-ltc.org/) that supports Litecoin.
DASH: Digital Cash (https://www.dash.org/) also supports Electrum Wallet (it has it's own clone).
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