Blockchain and Distributed Ledger Technology for Documents

Blockchain is a type of DLT in which records are organized in blocks that are appended to a single chain using cryptography and distributed consensus. Each block contains a time stamp and a link to the previous block, ensuring that data in a block cannot be altered retroactively. This makes blockchain a good choice for the recording of events, provenance tracking, and document life-cycle management. Signing a PDF in the blockchain instead of storing a signature in a PDF reduces the complexity of the code for a developer who needs digital signing and verification functionality. The same principle can be used in many other use cases to implement a document workflow, to keep track of the location of a document, and much more.

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Joris Schellenkens

Joris is currently a software developer at iText well-known with the pdf library in Java and .NET. Joris' background is in machine learning, NLP, mathematics, graphs and NP-complete problems.

After having worked in the supply-chain industry, he set his sights on document-processing and workflow-automation.At the beginning of 2017 he learned about blockch ain and it’s disrupti ve capabili ties and then he hasbeen hooked on the possibilities of Blockchain Technology ever since. At iText he focuses mostly on innovative research projects and conceptualizing those ideas.

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iText software