Recently, I experimented with a AI agent payment system called Kite on the testnet, and it turned out to be quite interesting. Initially, I wasn't very optimistic—there are too many public chains claiming to be AI-focused these days—but after a few days of testing, my opinion really changed.

In terms of actual operation, creating an agent wallet on the Ozone testnet was surprisingly simple. Traditional multi-signature wallets are complex enough to drive you crazy, but this solution uses a three-layer identity structure: my main account has the highest permissions, the AI agent is granted intermediate permissions, and there's a temporary session layer dedicated to handling scattered transactions. The clever part of this design is that I can set a daily spending limit of 50 USDC for the agent, and any attempt to exceed that is automatically rejected—no need to worry about it smartly spending all the money.

What was most impressive was experiencing the smoothness of micro-payments. The test scenario was as follows: each API call prompts the agent to pay $0.00001. On Ethereum, this tiny amount is impossible to handle because gas fees would kill you. But Kite uses state channels to reduce transaction costs to almost negligible levels, with response times under 100 milliseconds. I ran several hundred small payments in one go, and the entire process was incredibly smooth.

Of course, I also encountered some pitfalls. Closing state channels cooperatively went smoothly, but I specifically tested dispute closing, which required waiting for a challenge period to complete arbitration. This part of the experience was a bit more complex, but for most normal scenarios, it shouldn't be necessary.