How do you check whether a document was really signed digitally?
A signature image proves little. Use the audit certificate and the document hash to check who signed, when, and whether the document changed afterwards.
Read the answerHow do you create a digital signature?
Draw a signature in a PDF, sign through a signing platform or use a certificate. How to create a digital signature and which one holds up legally.
Read the answerIs agreeing by email or WhatsApp legally binding?
Under Dutch law an agreement can be made by email, WhatsApp or verbally. The problem is proof. How it works, and when you're better off having it signed.
Read the answerWhat is a wet signature, and when do you still need one?
A wet signature is a signature in pen on paper. For many contracts an electronic signature can be used. Here's where a wet signature is still needed.
Read the answerIs a scanned signature legally valid?
A scanned or pasted signature isn't automatically invalid, but it proves little. How it works, and how to sign with real evidence.
Read the answerCan you have a PDF larger than 25 MB signed digitally?
Many signing tools stop at 25 MB. With BuiltSign you sign documents up to 1 GB on Business Plus and Enterprise, without splitting them. Here's how it works.
Read the answerHow do you verify the identity of someone who signs online?
An email and SMS code show someone had access to a mailbox and phone. An ID check with selfie also establishes who they are. How it works and when to choose what.
Read the answer
Knowledge base
Questions about electronic signatures
Clear answers to questions about digital signatures: how to create them, how to check them and when they're legally valid.
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Uploads up to 1 GB-Bank-grade security-Recognised under eIDAS