Digital signatures can be applied to various kinds of digital documents and certificates. As such, they have several applications. Some of the most common use cases include:
- Information Technology. To enhance the security of Internet communication systems.
- Finance. Digital signatures can be implemented to audits, expense reports, loan agreements, and much more.
- Legal. Digital signing of all sorts of business contracts and legal agreements, including governmental papers.
- Healthcare. Digital signatures can prevent fraud of prescriptions and medical records.
- Blockchain. Digital signature schemes ensure that only the rightful owners of the cryptocurrencies are able to sign a transaction to move the funds (as long as their private keys aren’t compromised).