From the forgotten HTTP status codes of 1999 to a trillion-dollar market in 2025, how did the x402 Foundation turn a single line of code into the key to AI payments?

A year later, the craze is back. How have the industry and we progressed this time?

x402 solves the payment problem, while ERC-8004 solves the trust problem. x402 took 5 months from launch to take off, and 8004 may be even faster.

The track is still in its early stages, and we are looking for opportunities to “get on board again”.

The long-term value of x402 lies not in the standard itself, but in the entire new infrastructure it enables.

x402 solves the "original sin" of the Internet.

Unlike typical encryption concepts, x402 has attracted the attention of many Web2 technology giants, and these companies have begun to actually adopt the protocol.

The "pragmatic" PayAI breaks through.

"Are you here to be a wise man? Or are you here to make money?"

The outbreak of the x402 narrative is inevitable, and $PING is just sounding the charge.

What opportunities are worth paying attention to in the payment protocol launched by Coinbase?