There are no public databases that contain millions of faces.

没有包含数百万张面孔的公共数据库。

B) There do not exist public databases with sufficient face samples.

B) 不存在具有足够人脸样本的公共数据库。

And like Bitcoin, the record of ownership of an NFT is kept in a public database on the internet that is maintained by millions of computers that keep track, via consensus, of all content origination and transactions.

和比特币一样，NFT 的所有权记录保存在互联网上的公共数据库中，该数据库由数百万台计算机维护，这些计算机通过共识跟踪所有内容的来源和交易。

Poole built the easily searchable public database with her husband and research partner Petter Granli after they came to realize that scientific papers alone would no longer cut it for cataloging the discoveries they and others were making.

Poole 与她的丈夫和研究伙伴 Petter Granli 一起建立了易于搜索的公共数据库， 因为他们意识到仅靠科学论文将无法再将其用于对他们和其他人的发现进行分类。