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Bitcoin Knots versus Bitcoin Core

felix.herrmann

Published: 21 Jun 2025 › Updated: 21 Jun 2025Bitcoin Knots versus Bitcoin Core

Bitcoin Knots versus Bitcoin Core

Bitcoin Core just pushed for a development nobody really wanted. According to [Bitcoin University]() you can now put 100.000 Bytes of Data into the OP_Return part of the transaction instead of 83 Bytes. The change was already merged into [Bitcoin Github](https://github.com/bitcoin/bitcoin) and will be activated in October 2025.

[Bitcoin Knots Nodes on the rise (green line)](https://coin.dance/nodes)

Node software "Knots" is a version where you can keep the limit to 83 Bytes. Let's see if this results into a Hardfork once the Update gets live at the end of the year. Until now there is 0 awareness outside of Bitcoin that this is happening.

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