Off the Block: Inside Ethereum’s booming Agentic Economy

March 19, 2026

Off the Block: Inside Ethereum’s booming Agentic Economy

The convergence of artificial intelligence (AI) and blockchain technology is ushering in a new paradigm known as the agentic economy. This economy is powered by AI agents: autonomous software entities that perceive their environment, make decisions, and perform actions to achieve specific goals, often without direct human intervention.

In the context of crypto, this evolution moves beyond simple smart contracts to a world where AI agents become active, economic participants. These agents leverage decentralized infrastructure like Ethereum to gain crucial capabilities:

Trust and autonomy: Blockchain provides a secure, tamper-proof environment for agents to operate, execute transactions, and interact with other entities (both human and AI). This decentralized trust is essential for agents that must manage valuable assets or execute complex financial strategies.
Economic agency: By utilizing crypto wallets and smart contracts, AI agents can own assets, pay for services, earn revenue, and enter into verifiable, self-enforcing agreements. They transition from being mere tools to full-fledged economic actors.
Identity and reputation: New standards, such as the proposed ERC-8004, aim to provide agents with a persistent, verifiable onchain identity. This identity is key to building a reputation system that allows humans and other agents to reliably assess an agent's trustworthiness and past performance, solving the "know your agent" (KYA) problem.

Ultimately, the agentic economy on Ethereum promises to automate and accelerate utility across the decentralized landscape, leading to novel use cases in DeFi, governance, and beyond, while raising complex questions about accountability and identity in a world increasingly managed by intelligent, autonomous software.

Our guest in the 12th episode of Off the Block is Vittorio (Vitto) Rivabella, the AI coordinator at the Ethereum Foundation. During the episode, Vitto delves into his critical work coordinating AI research and integration efforts within the Ethereum ecosystem.

Hosted by 21shares’ Crypto Investment Strategist Maximiliaan Michielsen and yours truly, we explore the complex interplay between AI and blockchain, discussing how AI can be leveraged to enhance the security, scalability, and efficiency of the Ethereum network, and conversely, how decentralized systems like Ethereum can provide trust and infrastructure for AI applications.

Here are some of the highlights from this episode:

4:00 - From security to AI at the Ethereum Foundation
5:00 - When AI became more than just a tool
6:30 - Misconceptions about AI in crypto
9:00 - Biggest bottlenecks for AI agents onchain
11:30 - from KYC to KYA (know your agent)
12:00 - How to measure progress in the agent economy
15:00 - Most promising AI agent use cases today
17:00 - Do we need a new internet for AI agents?
20:00 - From chatbots to economic agents
23:00 - What is the agentic economy? (beginner explanation)
25:30 - ERC-8004 explained: Identity, reputation, and validation
30:30 - Why Ethereum has an edge for AI agents
34:30 - Can agent reputation be gamified?
40:00 - The agent economy flywheel
41:30 - Will AI agents dominate in 10 years?
44:30 - Who is responsible when AI agents fail?

▶️ Listen to the full episode of Off the Block with Vitto Rivabella

Want more conversations with the builders and thinkers behind crypto's hottest projects? Our 21shares podcast brings you closer to the pioneers and companies shaping the digital assets industry. Subscribe to Off the Block, because we believe the future is being built there.

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