everyone's crying about bitcoin under $70k. meanwhile lightning labs just shipped pi402. your coding agent can now pay for its own inference in sats. no account. no api key. no credit card. it pays per token over lightning, instantly. why it matters: card payments can be reversed. compute can't. once the model has run, the seller can't get it back. bitcoin finally has a buyer that's online 24/7 and never sleeps. agents.