https://telegram.me/AdSigmaBot?start=20ed9ccd
The AdSigma Token is a utility token which advertisers can buy digital display advertisement on web/app properties, and publishers can monetize their apps/websites using AdSigma platform.AdSigma is airdropping 10 ADSi tokens to Telegram users.
How to join?
Go to airdrop, which is a Telegram bot.
Submit your ETH wallet address,
You have to go back to the bot after 24 hours after you started the bot and click on verify button to verify your account.
https://telegram.me/AdSigmaBot?start=20ed9ccd