Can be used, safe. "Electronic Signature Law" and "Electronic Contract Law" clearly stipulate the validity of electronic signature and electronic contract, and ensure the validity and legality of electronic seal in banking business. Bank of Beijing uses digital signature and encryption technology to encrypt all electronic seals, which are authenticated by electronic authentication institutions, thus ensuring the security and anti-counterfeiting of electronic seals. Electronic seal refers to the digitization and encryption of seals, stamps, signatures and other information on electronic documents based on digital signature technology and encryption technology, so as to achieve the effect of authenticity, reliability and security of seals.