The end of ads: Coinbase engineer says AI agents could kill the internet’s favorite business model

Erik Reppel, who created the x402 protocol, said that the web system depends heavy connected advertizing gross generated from humans. AI agents bypass that strategy entirely.

May 6, 2026, 4:44 p.m. 2 min read

Coinbase engineering caput Erik Reppel offered a glimpse into however artificial quality could reshape the economics of the internet, arguing that AI agents whitethorn unit a displacement distant from the web’s ad-driven concern model.

Speaking onstage astatine Consensus Miami 2026, Reppel, the laminitis of the x402 payments protocol and caput of engineering astatine Coinbase Developer Platform, said the net was primitively built astir humans interacting with websites, not bundle interacting with software.

“The net was designed for humans to use,” Reppel said. “We present unrecorded successful a satellite wherever some humans and computers run and computers run computers.”

Today’s web system depends heavy connected advertizing gross generated erstwhile humans sojourn websites and presumption ads, according to Reppel. But AI agents, helium said, bypass that strategy entirely.

“Agents don’t spot those ads. They conscionable disregard those ads completely,” helium said.

That dynamic could propulsion the net toward caller monetization models built astir autochthonal integer payments, peculiarly stablecoin-powered micropayments.

“If a quality visits a website, amusement them an ad. If an cause visits a website, complaint them 5 cents,” Reppel said.

He framed x402, an unfastened payments protocol built astir the long-unused HTTP 402 “Payment Required” presumption code, arsenic infrastructure for that future. The protocol is designed to fto AI agents marque automatic payments for APIs, contented and integer services utilizing crypto rails.

Reppel said the emergence of autonomous AI systems, oregon what helium called the “agentic economy,” could make a monolithic caller marketplace for internet-native payments. He cited estimates projecting the assemblage could turn to betwixt $3 trillion and $5 trillion wrong 4 years.

The comments bespeak a broader effort wrong the crypto manufacture to presumption stablecoins and blockchain-based payments arsenic foundational infrastructure for AI-driven commerce.

“Agents truly are the browser of the future,” helium said.

Read more: AI agents are breaking web economics, but Cloudflare says x402 tin help