Heddle
a launchpad on Robinhood Chain

Every coin starts on the loom.

Heddle weaves a coin onto a bonding curve. At 3 ETH raised it is doffed into its own Uniswap v4 pool — and the pool’s NFT is sent to 0x…dEaD, so nobody can pull it.

opening cap
0.00 ETH
sold on the loom
0M · 75%
doff line
0 ETH
starch washes out
0 s
pool NFT held by
0x…dEaD
on the loom now

Bolts

read from the chain, every few seconds
reading the treadle…
the warp, counted

A price that only moves when someone trades.

The loom is a constant product, x · y = k, on a virtual 1.5 ETH and 1.125 billion coins. The first coin is priced at a 1.33 ETH market cap. Each buy pulls coins off the warp and pushes the price up; each sell puts them back. 750 million coins can leave the loom before the line.

market capreal ETH raised →
0 ETH1 ETH2 ETH3 ETH1.33 ETH capdoff · 12 ETH cap
anti-snipe

Starch washes out of new cloth.

80% at the weaving, gone at 30 s

New cloth is stiff with starch. For the first 30 seconds after a coin is woven, part of every buy’s coins is burned — 80% at the first second, falling evenly to nothing. Drag the second and see the same buy.

seconds after the weaving0s
0s · 80%15s · 40%30s · 0%40s
starch now
80%
you receive13.9M
burned to 0x…dEaD55.62M
same buy at 30s+69.52M

The starch is burned, not paid to anyone — so a sniper, the coin’s own weaver included, buys less and nobody gains.

the loom · 0 → 3 ETH3 ETH+ 250Mv4 pool, full rangeLP NFT0x…dEaD
graduation

The doff.

When 3 ETH has been paid in, the buy that reaches the line takes only what it needs — the rest comes back — and in the same transaction the coin leaves the loom. Its Uniswap v4 pool opens at exactly the loom’s last price, 3 ETH and 250 million coins are seated across the full range, and the position’s NFT is minted to 0x…dEaD.

No price jump at the doff, no keeper to call, nobody holding the pool.

the selvedge

Who earns what, in plain numbers.

Thrums (the fee)1.2% of the ETH side of every trade, on the loom and in the pool (a weaver may set 0.5–3%)
The weaver (creator)82% of the thrums, claimable any time
The mill (Heddle)18% of the thrums — one house wallet, named on the draft
The weaver's first pickup to 0.05 ETH bought in the weaving itself, starch-free, shown on the coin's page
The pool's liquiditynobody's: the NFT is at 0x…dEaD from the doff on
Owner, pause, mint, blocklistnone — renounced in the constructor, nothing to switch
who weaves here

One operator.

Heddle is not an independent team. It is one of several experimental launchpads built and run by the same solo operator, each trying a different mechanism. The house wallet that weaves $HDDL is the same one that takes the mill’s 18%. Judge every coin by its contract, not by the name over the door. The full disclosure is on the draft.