Sony Group Corporation

Valerio Mattioli

Rik Claesen

A method comprising receiving, at a forum network node, a user request for posting a user message in an internet forum from a user network node. The user network node is associated with a digital identity of the user. The forum network node is associated with a digital identity of the internet forum. The forum network node has an interface to a distributed ledger. The user request indicates a parent post the user message relates to. The parent post is part of the internet forum. The method further comprises generating, at the forum network node, transaction data for the user message and a hash of the transaction data. The transaction data comprises a hash of the user message and a hash of the parent post. The method further comprises writing the hash of the transaction data and the transaction data on the distributed ledger.

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Stuttgart, Germany

Valerio Mattioli