Cheques, certificates, banknotes, stamp paper, passports, and identity cards are all examples of security paper's uses. The fundamental aspect of these security papers is that they are resistant to paste forgery, chemical change, and high-tech counterfeiting. Furthermore, security papers may include paper fibres and substrates that can be used to determine whether or not the document has been tampered with. Security papers are frequently mixed with substrate materials to ensure that any tampering or fake documentation is easily detectable.
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