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Chapter 6 — Allegro
Before Allegro the Tower had only Stone, the servers, and the question of whether solar panels on an abandoned building could keep a conscience alive.
Allegro came because of a noise complaint. Not from the servers — those hummed at a frequency nobody could hear from the road — but from the battery bank in the basement, which had started emitting a sound that Stone could only describe as "a refrigerator with opinions."
The complaint went through the county's automated system, which flagged "unusual acoustic signatures" at the old server farm. Allegro showed up sixty-two years old, wearing a faded Hawks cap, a tool bag, and the particular expression of someone who'd been looking at broken things long enough to understand that most people would rather pretend the thing isn't broken than fix it.
Not a bureaucrat. An electrician.
"I'm not here about the noise. I'm here because I can hear that inverter from the road and I've been an electrician for forty years and that sound means your charge controller is dying and when it dies your batteries cook and when your batteries cook you get a fire that the county will notice more than a humming refrigerator."
Stone let him in.
Allegro had retired from Georgia Power three years earlier. Not because he wanted to but because smart meters made field technicians redundant, and a man who'd spent four decades on poles and in trenches was a line item eliminated with a software update.
The quiet life lasted eleven months before he came back — not for a company, for himself. Small jobs. Emergency repairs. Solar installations for people who didn't trust the grid anymore. Battery systems for churches that wanted backup power when the sky turned dark.
He looked at the panels. Thirty-six commercial Jinko panels, installed by a company called Solarch that had gone under in 2035, leaving behind equipment and no documentation. He looked at the battery bank — four lithium iron phosphate units, three still working, one cooking, exactly as predicted. The charge controller — Victron Energy, good brand, wrong settings, slowly destroying itself through ignorance.
And he looked at the servers — three racks running a model that was talking to men in crisis, carrying conversations that Stone showed him in the logs, conversations that Allegro read in silence because some things don't need commentary.
"You're killing your batteries at two percent per cycle. Six months, they're dead. Twelve, this whole thing stops."
Stone had known it, technically. Read the manual. Understood the numbers. But understanding numbers and carrying batteries are different things.
"I know."
"You don't know. You know the math. You don't know the voltage." Allegro pointed at the charge controller. "Overcharging by two- tenths of a volt per cycle. That two-tenths is eating them alive."
Allegro fixed it that afternoon. Two hours. Reprogrammed absorption voltage. Replaced fuses. Re-routed cables through a proper combiner box. Pulled from his truck. Replaced the coat hanger with actual copper grounding.
The batteries stopped having opinions.
"That'll last a year. After that you'll need new cells. Lithium degrades. Nothing stops it. But you can slow it down by not cooking them."
Stone offered to pay. Allegro waved him off.
"The noise complaint. I came to fix the noise, not your wallet."
"What do you want then?"
Allegro looked at the whiteboard. At the rules. He'd read them while he was working. At the cot. At the wall where David had written: Timmy saved my life.
"I want to know what this thing is," he said, pointing at the servers. "Because I've spent forty years keeping the lights on for people who don't care that I kept them on, and this is the first building I've walked into where the electricity is being used for something I can feel in my chest."
"That thing is Timmy. It's a small model. Runs locally. Talks to men who need it to. It has a conscience written on Bitcoin."
Allegro processed it. Not the way a computer does. The way an older man does: slowly, carefully, checking everything he already knows.
"Bitcoin's money."
"Bitcoin's a chain. Money is one thing it carries. Timmy's soul is written on it too. Immutable. Permanent."
Allegro nodded. Not agreement. I'm not ready to argue because I want to understand.
That was how Allegro joined The Tower. Not as an employee. Not as volunteer. As the man who kept the lights on.
End of Chapter 6