Vitalik Buterin: @AnthonyLeeZhang 您可以在现有的大型公共区块链之上进行验证，并获得大部分收益，但支付非常低的交易费用。

原推：@AnthonyLeeZhang You can do a validium on top of an existing large-scale public blockchain and get most of the benefits but pay very low transaction fees.
https://twitter.com/VitalikButerin/status/1545903697863086081