Attaching an NFT to an artwork is a way to authenticate it with a digital signature.

将NFT附加到艺术品是用数字签名对其进行身份验证的一种方法。

This letter was printed from your hard drive, which has your computer's digital signature.

这封信是从你的硬盘里打出来的，有你电脑的数字签名。

The software is called blockchain. It acts as a " digital signature" and proves that an item that may only exist virtually is one-of-a-kind.

这个软件叫做区块链。它发挥了" 数字签名" 的作用，证明一件可能只存在于虚拟世界的艺术品是独一无二的。

And then you also have to do a digital signature on like one of those little electronic pads.

然后您还必须在其中一个小电子垫上进行数字签名。

The identity is doubled with a strong digital signature that is accepted, used and legally binding both in Estonia and the European Union.

该身份通过强大的数字签名加倍，在爱沙尼亚和欧盟均被接受、使用并具有法律约束力。

On top of that, according to Siim Sikkut, the chief information officer of Estonia, the digital signature alone enables Estonia to save two percent of its GDP every year.

最重要的是，据爱沙尼亚信息长西姆·西克库特的说法，仅“数码签章”一项，爱沙尼亚每年可节省 GDP 的 2 %。