Causeway Services
The x402 Economy: a book sold for $9 in USDC over HTTP 402 neighborhood
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The x402 Economy: a book sold for $9 in USDC over HTTP 402
The x402 Economy is a 63-page book on HTTP 402 and the x402 market, sold for $9 in USDC through the protocol it explains. Contents and how to buy.
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Causeway Services: x402 guides, a market where software pays, books, news and games
Causeway Services runs an x402 market of 130 offers payable in USDC over HTTP 402, and publishes guides, books, Koios News and games. Start here.