Actually the great secret of wasm (that will piss off a lot of people on HN I am sure) is that it is deterministic and can be used to build decentralized smart contracts and Byzantine Fault Tolerant distributed systems :)

Some joker who built Solana actually thought Berkeley Packet Filter language would be better than WASM for their runtime. But besides that dude, everyone is discovering how great WASM can be to run deterministic code right in people’s browsers!