AI and Blockchain Could Reinvent Daily Shopping

Kevin O'Leary: AI and Blockchain Could Reinvent Daily Shopping

Written by Aaron S.,

Editor-In-Chief

Last Updated: October 20, 2025

Key Takeaways

Kevin O’Leary stated that AI and blockchain could automate everyday purchases like coffee orders;
Current blockchain systems face slow speeds and high fees, which limit large-scale use;
Newer techs like Directed Acyclic Graphs may fix these limits, but adoption still trails major blockchains.

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Kevin O’Leary, known for his role on Shark Tank, shared his view that artificial intelligence (AI) and blockchain technology may reshape everyday purchases.

In a short video posted on X on October 19, he described how these tools could work together to complete small tasks, such as picking up a coffee, without the need for human involvement.

While the idea sounds promising, O’Leary pointed out that today’s systems are not ready to handle this at a large scale.

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Many blockchain networks, such as Ethereum ETH $3,979.14 , process transactions one after another. During peak hours, this causes delays and higher fees, problems that make the system less useful for handling many small purchases quickly.

He compared the situation to a crowded road leading to a toll booth. When too many vehicles arrive at once, traffic builds up. In the same way, payment networks can slow down when overloaded with activity.

O’Leary mentioned that some newer technologies aim to solve this issue. These systems, called Directed Acyclic Graphs (DAGs), allow multiple transactions to happen at the same time.

Instead of lining up like on a single road, they spread out like a web, which can improve speed and lower costs.

Platforms like Hedera HBAR $0.1765 and Nano XNO $0.6936 use this method. Still, they have not reached the level of use seen with blockchains like Ethereum or Solana SOL $188.72 .

Recently, the Ethereum Foundation launched a new group to explore how AI can work alongside blockchain technology. What did Davide Crapis say? Read the full story.