Cardano founder Charles Hoskinson has warned that Bitcoin could eventually lose its position as the world’s largest cryptocurrency if it fails to adapt to quantum computing.
In an interview with The Starting Block, Hoskinson argued that Bitcoin’s biggest weakness is its limited ability to implement major protocol upgrades.
He argued that Bitcoin’s governance model makes it difficult to make major changes to the network, a challenge that could become significant as quantum computing advances and threatens today’s cryptographic security.
Quantum computing could be Bitcoin’s biggest challenge
According to Hoskinson, Bitcoin has successfully overcome several external challenges throughout its history, including the disappearance of its pseudonym creator Satoshi Nakamoto.
However, he stressed that quantum computing is a fundamentally different threat. Unlike previous challenges, quantum-resistant security will likely require coordinated upgrades of the entire network. Hoskinson believes that if Bitcoin is unable to organize and implement these changes effectively, it could ultimately lose its dominance in the crypto market.
For context, Bitcoin remains the world’s largest cryptocurrency by market capitalization, with a valuation of $1.28 trillion.
Conversely, Hoskinson argued that Cardano was built to address limitations that emerged over time while preserving Bitcoin’s original vision.
He described Cardano as Bitcoin’s “spiritual successor” and said blockchain solves problems that Satoshi Nakamoto was unable to adequately address due to technical limitations and time constraints in the early days of Bitcoin’s development.
On-chain governance makes Cardano more flexible
Hoskinson pointed out that Cardano’s on-chain governance system is one of the network’s greatest strengths.
He explained that if quantum-proof infrastructure becomes necessary, Cardano stakeholders could vote on the necessary protocol changes and implement the transition through the blockchain’s governance framework.
He said this process will allow Cardano to respond more quickly and efficiently to future technological challenges than networks with more rigid governance structures.
Leios upgrade is expected to significantly improve performance
Hoskinson also revealed that Cardano is preparing for its largest network upgrade to date. He said this enhancement is expected to improve blockchain performance by 60 times.
The upgrade he mentioned is Cardano’s next-generation scaling protocol, Ouroboros Leios. Last month, developers launched the Leios testnet, Musashi Dojo, and confirmed that development is proceeding as planned.
Meanwhile, the recent enablement of the van Rossem hard fork (protocol version 11) has laid the foundations for Leios, preparing it for its mainnet launch scheduled for later this year.
Hoskinson proposes a non-custodial way to bring Bitcoin to Cardano
Beyond network upgrades, Hoskinson also outlined potential ways to bring Bitcoin liquidity to the Cardano ecosystem without relying on traditional blockchain bridges or triggering taxable events.
He explained that since both Bitcoin and Cardano use the Unspent Transaction Output (UTXO) accounting model, developers can utilize zero-knowledge cryptography to create a non-custodial mirror of Bitcoin on Cardano.
In this approach, Bitcoin owners retain ownership of their Bitcoins. $BTC You can access Cardano-based decentralized applications without transferring assets to a third-party bridge.
Hoskinson claimed that this model significantly improves security by eliminating the risks associated with cross-chain bridges, which have historically been the most frequent target of crypto exploits.
He also emphasized that the process does not involve the creation of new assets or the sale of Bitcoin, so it is tax-free. Instead, users will continue to keep their original files. $BTC While safely participating in the Cardano ecosystem through zero-knowledge technology.

