Bitcoin Core Upgrade Addresses Bitcoin Ordinals and BRC-20 Tokens Exploiting Vulnerabilities

In the latest v27 upgrade of the Bitcoin Core network, a bug fix has been implemented to address an issue affecting the creation of new Bitcoin Ordinals and BRC-20 tokens. These tokens have been causing network congestion due to their exploitation of a vulnerability, as highlighted by a prominent Bitcoin Core developer.

Bitcoin Ordinals, introduced by Casey Rodarmor in January 2023, are satoshis (sats) embedded with specific information, turning each into a sort of NFT. Luke Dashjr, founder of the OCEAN mining pool, explained that the inscriptions used by Ordinals and BRC-20 tokens exploit a vulnerability in the Bitcoin Core network, essentially spamming the blockchain.

This exploitation bypassed size limits on transaction data by disguising the data as program code, a loophole now fixed in the latest Bitcoin Knots update, a derivative of Bitcoin Core.

Dashjr confirmed that once the vulnerability is fixed, new Ordinals and BRC-20 tokens won’t be operational. However, existing inscriptions will persist.

Dashjr has been a vocal critic of Ordinal inscriptions, citing significant and irreversible damage to Bitcoin and its users. He previously proposed banning BRC-20s by extending spam filtration to Bitcoin’s Taproot transactions.

The recent surge in Ordinals’ activity has led Bitcoin transaction fees to surpass Ethereum’s, with current average BTC fees at $19.48. During the peak Ordinals activity in May, fees spiked to over $31, intensifying congestion on the network.


Disclaimer: Not Investment Advice

it’s crucial to understand that the information provided here is not to be construed as investment advice. The crypto market is dynamic and highly speculative, and decisions should be made based on thorough personal research and consideration of individual risk tolerance. Always consult with financial professionals and conduct your own due diligence before making any investment decisions. The intention of this exploration is to present insights and trends, not to provide specific investment recommendations.

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