0x04345f1a86ebf24a6dbeff80f6a2a574d46efaa3ad3988de94aa68b695f09db9ddca37439f99548da0a1fe4acf4721a945a599a5d789c18a06b20349e803fdbbe3 ERC1363 Would make tokens capable of undertaking actions additional effortlessly and dealing without the utilization of any off-chain listener. It allows to generate a callback on a receiver/spender agreement, following a transfer or an approval, in one ... https://raretron.org