JAM Grey Book launches 0.7V version Join Accumulate Machine combines the advantages of Polkadot (multi chain composability) and Ethereum (smart contract composability). -1.4 million TPS can accommodate 20000 customized chains -Ethereum L1 chain input data 78Kb/s JAM input data 682Mb/s -JAM's performance will be thousands of times better than basic Eth ETH is positioned as the world's ledger, while JAM is positioned as the world's computer