So basically web3.0 is just json-rpc calls to a cluster of peer servers that host distributed databases(e.g. blockchain that records your write-operations in st

So basically web3.0 is just json-rpc calls to a cluster of peer servers that host distributed databases(e.g. blockchain that records your write-operations in stone) via a few portal servers, the portals are the gateway to the pool of blockchain-peer-servers and themselves are also part of the blockchain pool.