
Ithaca Protocol
Ithaca Protocol is a non-custodial composable options and structured products venue native to Arbitrum.

What is Ithaca Protocol?
Ithaca runs an off-chain frequent-batch-auction matching engine with on-chain settlement on Arbitrum, supporting vanilla and digital options, forwards, multi-leg conditional strategies and structured stories like twin-wins and barriers. A collateral optimization engine reduces capital requirements, and Axelar bridging lets traders deposit from any EVM chain.
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Agentic payments and x402, explained
Agentic payments let AI agents pay for APIs, data, and services on their own, with no human at checkout. Learn how x402 works and powers agentic commerce.

What is x402? The payment protocol for AI agents and onchain APIs
x402 is an open protocol that embeds crypto payments into HTTP, letting AI agents pay for API calls in real time: no API keys, no subscriptions, no billing dashboards.

How RedStone keeps price feeds reliable across 51 chains with Alchemy
Since using Alchemy as its RPC provider, RedStone has pushed 26.8 million pricing transactions onchain with a 99.999% success rate.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

