Grok, Jev and Coinbase demo a support agent resistant to social engineering
Grok drafts approve-or-deny decisions, Jev checks in 40ms whether the reason matches the device and account history, and Coinbase only moves funds after Jev passes, blocking 112 of 5,406 orders.
JEV + GROK + COINBASE = A SUPPORT AGENT THAT CANNOT BE TALKED INTO UNLOCKING SOMEONE ELSE'S WALLET the whole idea: grok talks to the customer, jev checks whether the request actually fits the account, and coinbase never moves a coin or resets a login until jev says yes. someone writes in "lost my phone, reset my 2fa and send my btc to this new address" grok handles the conversation and drafts approve or deny with a reason jev checks that reason against the device history, the login trail and the withdrawal pattern in 40ms, and only a pass reaches coinbase here is what sits inside: - the agent · grok > talks to the customer, reads the whole thread, drafts the decision with a reason > the exact spot every account-takeover crew aims at, because it listens to every word they type > fired once per ticket - the gate · jev > one question, does grok's reason fit the device, the location and the account's own history, yes or no, 40ms > it never reads the panic in the message, so "it's urgent, my mom is in the hospital" weighs exactly zero > it did not write the decision, so there is nothing to talk it out of - the money layer · coinbase > no 2fa reset, no new address, no withdrawal clears until jev has passed it > a "new phone" logging in from a country the account has never touched dies at the gate > every unlock carries jev's verdict id, so every coin that moves has a paper trail - the ledger > every ticket, every grok draft, every jev verdict, timestamped and sourced > when something slipped through you see the exact signal that should have stopped it > rebuild the whole audit trail from the log in 8 seconds 5,406 support tickets today. jev stopped 112 that grok was ready to approve for someone who was not the owner. that is $2,380,000 in crypto that stayed in the right wallet. here is the part nobody prices out: account takeovers do not break the code, they break the person answering the chat, and now that person is a model trained to be helpful. jev is not trying to be helpful, it only checks the record, so the best social engineer alive gets the same answer as a spam bot, no. worth stealing even if you never touch crypto: never let the model that talks to the customer also hold the keys. put jev between grok and coinbase and "i lost my phone, just reset it" stops being the easiest heist on the internet. the full build is in the article below.
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