SDChain, based on ISO IoT Six-Domain Model standards, develops and commercializes IoT blockchain technology. They launched SDChain Mainnet 1.0 in August 2018, with real-world 5000 tps, 3–5 second transaction confirmation speed, and one of the industry’s most cost-efficient gas fee plans for users.
SDChain airdrops 100 FREE token (~$2,00) to their airdrop participants for the following simple tasks. They also offer a referral program where you can earn additional FREE.
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