Polkadot uses a proof-of-stake protocol which does not require energy-intensive mining, unlike many other NFT platforms. In addition, Polkadot has the smallest carbon footprint among proof-of-stake blockchains according to @bloomberg.
https://www.bloomberg.com/news....
与许多其他NFT平台不同，Polkadot使用了一种不需要能源密集型挖掘的权益证明协议。此外，据彭博社报道，在股权证明区块链中，波尔卡多特的碳足迹最小。
https://www.bloomberg.com/news....