The technical decision provokes waves in the bitcoin community. The heart of the protocol is about to change. For a long time, the limit has prevented users from storing too many data into transactions. This limit, fixed at 80 bytes, concerned the OP_return field. Created to allow the data to be included in the blockchain, had to remain light and discreet. However, this symbolic barrier is now considered unnecessary. And its effects would even be counterproductive. Bitcoin developers therefore decided: the limit will be deleted.

In short
- Bitcoin Core resigns the OP_Preturn limit to simplify and align network procedures.
- This symbolic limit of 80 bytes has already been circumvented by various technical stratagues.
- Critics fear that they are carried for non -financial use and centralization of technical decisions.
A rule that has become counterproductive in bitcoin
OP_RETURN allowsIntegrate data into a transaction without creating UTXO. It was introduced to avoid polluting scripts, compromise: limited freedom but maintained security. PUSH Limit of 80 bytes focused on Discourage massive storage of content.
However, users have quickly walked around the rule. Some have put their data through fake multisig scripts. Used others Actual addressesIt creates much greater pollution. Even some minors ignored this limit, so its application was uneven.
Greg Sanders, Bitcoin developer, summarized the problem of Github:
Massive data inscriptions take place anyway, often opaque and more harmful. The limit only redirects them to worse network procedures.
Since, Canceling this limit seems to be a pragmatic choice.
Voices rising against evolution
But This change is not unanimous. For many users, the deletion of this barrier was not discussed together. Marty Bent confirms this on X:
Obviously, there is no consensus on the question of OP_return today.
Samson Mow requires caution:
Many consider this decision regrettable. They can stay on version 29.0 or use another customer such as Bitcoinknots.
The Problem problem is there: Who decides on changes in Bitcoins? Some condemn the progressive shift towards the centralized administration dominated by some technical teams. PUSH Design P 32359Yet he discussed Github, there would be a lack of community consultations.
This disagreement Watch how the fragile protocol management remains. Users are not all ready to observe stored changes, even if they seem logical.
What is really changing
Behind this technical quarrel, the specific consequences for the network ::
- Download the limit disinfects UTXO: less stored fake scripts;
- Transactions will be more consistent between minors and nodes;
- This improves cost estimate and compact blocks;
- The blocks remain limited to 4 million weight units, no explosive drift;
- Consensus rules do not change: they only apply to relay rules.
This change is therefore Neither the revolution nor abandoned the principles. This is Reworking with the real network practice. Developers assume minimalist philosophy: the cost market must decide.
Protection against abuse will always exist. However, they will be focused and adapted to real threats. The project management remains clear: Avoid drifts when lightening the protocol.
The heart of the debate, however, goes beyond the technique. It even touches Bitcoin DNA. Do you still need symbolic rules when used? Or should the community control be reinforced? Deleting the OP_Tren limit comes when the question of governance returns forward. Charles Hoskinson, founder of Cardano, has already criticized the absence of a clear structure in Bitcoins. Even today this decision triggers the debate: Is the protocol tied collectively or directed in the subjection?
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Blockchain and crypto revolution are going on! And the day when the impacts will be felt on the most vulnerable economy of this world, I would say against all hope that I was there for something
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The words and opinions expressed in this article are involved only by their author and should not be considered investment counseling. Do your own research before any investment decision.