Blockchain e-signatures, explained Understand the proof
before you trust it

Short, sourced explainers on how blockchain e-signatures work, what they prove, what the law requires, and how to check a signed document yourself. No jargon left undefined.

Try the verify tool See the product

Start here

Read in order for the full picture, or jump to the question you have.

Blockchain e-signatures explained01

What is a blockchain e-signature?

The plain definition, how it differs from an ordinary e-signature, and the one thing it proves that a vendor audit log cannot.

7 min · Updated September 13, 2026Read

Blockchain e-signature mechanics02

How document hashing and blockchain anchoring work

SHA-256, consensus timestamps, and topic messages, explained without hand-waving. This is the part most vendors skip.

8 min · Updated September 13, 2026Read

Step-by-step guide03

How to verify a blockchain-signed document yourself

Three checks anyone can run with a terminal or our free verify tool. If they agree, the file in your hands is the file that was signed.

6 min · Updated September 13, 2026Read

Legal validity04

Are electronic signatures legally binding?

ESIGN, UETA, and eIDAS in plain language, what consent capture actually records, and why blockchain anchoring answers a different question than legality.

8 min · Updated September 13, 2026Read

Blockchain e-signature infrastructure05