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Bitcoin Core Developer Claims Runes Protocol Exploits Bitcoin Blockchain’s Design Flaw

Ruholamin Haqshanas
Last updated: | 2 min read
A cracked and weathered Bitcoin symbol etched in stone, representing the potential impact of the Runes Protocol on the stability and future of Bitcoin's blockchain network.
Runes Protocol draws criticism for its impact on Bitcoin's network, sparking debate about its design and implications.

Bitcoin core developer Luke Dashjr criticized the Runes protocol in a Friday X post, suggesting it exploits a fundamental design flaw within the Bitcoin blockchain network.

In his post, Dashjr highlighted the contrasting nature of Ordinal Inscriptions and the Runes protocol in their interactions with the network.

He explained that while Ordinals exploit vulnerabilities within Bitcoin Core, the Runes protocol operates within the existing framework of the network’s design flaws. 

Runes Draw Criticism After Causing Congestion


Ordinals allow for the inscription of data onto satoshis (the smallest units of Bitcoin), creating a concept similar to non-fungible tokens (NFTs).

Their introduction last year marked Bitcoin’s entry into the NFT space and attracted considerable interest within the crypto community.

On the other hand, Runes are fungible tokens introduced on the day Bitcoin completed its fourth halving

However, following their launch, these tokens caused major network congestion, leading to a surge in transaction fees. 

Dashjr has long criticized both asset types, arguing that they deviate from Bitcoin’s core principles and contribute to blockchain spam.

In fact, he previously referred to Ordinals as a bug and spearheaded initiatives to address them through bug fixes.

In response to his opposition to Runes, Dashjr suggested methods for filtering out transactions related to the protocol. 

He recommended adjusting the “datacarriersize” setting in the bitcoin.conf file to zero, which would effectively block Runes’ spam. However, early indications suggest that miners are not following this advice. 

Ocean Mining, a decentralized mining pool where Dashjr serves as the CTO, recently mined its first post-halving block, with over 75% of its transactions originating from the Runes protocol.

“That being said, while it’s unfortunate that many scammy Runes got mined, they did meet the policies OCEAN has recommended from the start,” he wrote. “While Ordinals are a 9-vector attack that exploits vulnerabilities in Bitcoin Core, Runes are ‘only’ a 5-vector attack that actually technically follows the ‘rules.'”

Bitcoin Transaction Fees Plummet After Halving


Bitcoin transaction fees have experienced a substantial drop just one day after reaching an all-time high average of $128 on April 20, coinciding with the fourth Bitcoin halving. 

As of April 21, the average fees for medium-priority transactions on the Bitcoin network ranged from $8 to $10.

The preceding day had witnessed a surge in total fees, with Bitcoin recording $78.3 million in fees, surpassing Ethereum by over 24 times.

Notably, the Bitcoin halving block at block height 840,000 included a record-breaking 37.7 bitcoins (equivalent to $2.4 million) in transaction fees paid to Bitcoin miner ViaBTC. This block included 3,050 transactions, resulting in an average fee of nearly $800 per user.

The demand for block 840,000 was largely driven by enthusiasts of meme coins and NFTs competing to inscribe and etch rare satoshis using the Runes protocol.