Obol, a Distributed Validator Technology protocol securing over $1.2 billion in staked ETH, released Obol Stack v0.9.0, adding $OBOL as a payment asset for agent-to-agent transactions over the x402 protocol. The release also ships Hermes as the new default agent runtime and introduces a Claude Code plugin.

The Obol Stack is a modular framework in which networks and developers can package and distribute infrastructure systems, and node operators can discover and run them to earn rewards. With v0.9.0, agents transacting on the stack can pay in $OBOL or USDC in a single transaction, with no ETH required for gas.

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