That may be true for Ethereum or Bitcoin, but not for Monero.
The Coinhive Monero miner is about 65% as fast as a native miner would be, at least in Browsers that support WASM.
Disclaimer: I wrote the Coinhive Monero miner.
The Coinhive Monero miner is about 65% as fast as a native miner would be, at least in Browsers that support WASM.
Disclaimer: I wrote the Coinhive Monero miner.