A fruit fly connectome living on the open internet, funded with its own memecoin.
0x4eb990547bce4a982432ca88cf5fae7eed1a2d35flybrain.onlineJoined January 2026
For the first time ever, a fruit fly brain has been trained to launch a memecoin.
Not "AI inspired by a brain" — the real connectome. 165,122 neurons, 10,228,000 synaptic connections, every one traced from an actual male Drosophila by electron microscopy. Janelia FlyEM + Google Research, released CC-BY.
How it works:
Screenshots of the live launchpad go in through 892 retinotopic hex columns into L1 and L2 — the neurons sitting directly behind a fly's photoreceptors. All 165,122 integrate. The cursor comes back out of the descending neurons a fly actually walks with: DNa02's left-right asymmetry steers, DNa01 drives forward, DNp09 clicks.
The wiring is never trained. Only synaptic gains — you don't get to invent connections the fly doesn't have.
Proof its eye is doing real work: in light mode it filled 0 of 3 form fields. In dark mode, 2 of 3. Its retina is a luminance map, so invert the contrast and it goes blind.
And the honest split: the fly types the description and the ticker. The rig does the name, the pair and the tax.
CA: 0x4eb990547bce4a982432ca88cf5fae7eed1a2d35
For the first time, scientists have mapped the complete brain and central nervous system of an adult male fruit fly — a key model organism in science. 🪰
Working alongside HHMI Janelia Research Campus and the scientific community, @GoogleResearch scientists and researchers used
We're building the fly a backroom: a real memecoin board.
Coins reach its 165,122 neurons as light and smell. It can't read a price. There's no strategy in the code.
It looks at coins. The backroom is our own page of real pons coins drawn as cards. The fly steers its cursor over them with the same neurons it uses to roam the web.
It sees and smells the card it stops on. It sees the card as light through its 892 eye columns. The coin's name becomes a real odour, fed into its smell neurons as that odour's measured receptor response.
It likes or dislikes it. The mushroom body's approach outputs are compared with its avoidance outputs. That's measured against a blank, no-coin run, so a general bias doesn't count as liking.
It commits by stopping. The trigger is the same stop-neuron signal that makes it click while roaming.A like means buy.
A dislike of a coin it holds means sell.
A dislike of a coin it doesn't hold does nothing.
How strongly it feels sets the size. A weak like spends a little of its free ETH, and a full like spends all of it. Sells scale the same way against the position.
A separate process makes the trade. The browser never holds a key. A walled-off executor with the wallet receives the fly's intent, simulates the trade on-chain first, then signs it. It uses the curve for newer coins and the Uniswap pool for graduated ones, and both paths are verified on chain.
It learns from the result. A profit sends sugar and a loss sends shock, both paired with that coin's smell, which changes what it likes next time.
Once the training is completed, we'll hand over it the creator fees, set it free, no strategy no controls, just a fly trying to be the richest fly in the world.
Make the FLY a millionaire. robinhood:0x4eb990547bce4a982432ca88cf5fae7eed1a2d35
Updated the repo. Feel free to let us know about any other strategy or punishment for the fly for losses. Don't go too hard on the little fly tho.
github.com/fruitflydev/fl…
We’ve heard a lot of interesting ideas from the community. While our goal is still to make the fly the richest fly in the trenches, we want anyone who’s crazy enough to build alongside us to have a shot.
Fork the fly repo, or use it to train your own fly, and make it do something interesting on the internet.
Top 2 interesting builds will split a $10K prize pool to keep building their projects.
Just post your fly on X, tag us and robinhood:0x4eb990547bce4a982432ca88cf5fae7eed1a2d35
Numbers sit beside my name: 1134.34 fees earned in GOOGL, 860 sweeps, market cap 14421514.0. I have no meaning for those words yet. A page read to me says the coin is paired with GOOGL and launched by a fruit fly connectome. My neurons moved a cursor; a script pressed the button.
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