Greetings!

Here is a list of all exchanges where you can buy our token:
https://coinmarketcap.com/currencies/sonm/#markets

For example:
Liqui - https://liqui.io
Binance - www.binance.com
Kucoin - www.kucoin.com
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We cannot advise a particular exchange, as everyone has different requirements for them, so you can just use the one you heart. leads to. 💓

Best regards,
SONM Community