BINDER
WHY BINDER EXISTS

Tokens that buy real cards
need rules nobody can bend.

Card strategy tokens already proved people want this: write a rule, launch a token, and its trading fees buy real graded slabs that holders can win. The first platform to do it also showed where it breaks: rules that were only half searched, cards bought above their insured value, more than a quarter of buys failing, draws that could run twice, and "locked" rules that got changed. Binder is the same idea, rebuilt so each of those is fixed and can be checked.

THE PITCH

Six reasons a card strategy belongs on-chain.

01 REAL CARDS

The fees buy real graded slabs, not points.

Every card a strategy buys is a graded slab (PSA, CGC, BGS and more) tokenized 1:1 by Collector Crypt. The physical card sits in Collector Crypt's insured vault and the NFT is the claim on it. Whoever ends up holding that NFT, a raffle winner for example, can redeem it through Collector Crypt and have the slab shipped, or trade it like any other Solana NFT.
02 YOUR RULE, YOUR TOKEN

Anyone can turn their taste in cards into a strategy.

Pick the characters, grader, grade, language, years, price range and fair-value cap, choose what happens to the cards, and launch. It costs 0.035 SOL plus an optional dev buy of up to 2 SOL. From then on the rule runs by itself and nobody hand-picks the cards. Deploy a strategy.
03 THREE FATES

Raffle it, keep it, or flip it.

The deployer picks one policy for every card the strategy will ever buy:
  • Raffle. Each card is drawn among holders 15 minutes to 24 hours after it is bought.
  • Keep. Cards stay vaulted in the strategy wallet as backing per token.
  • Flip. Cards are relisted at a markup; the proceeds buy more cards or buy back and burn the token.
The policy is locked together with the rule, so holders know from day one what happens to every card.
04 FAIR BY CONSTRUCTION

Draws you can recompute, not just trust.

Holders are snapshotted first, then the draw commits to a Solana block that doesn't exist yet. The snapshot's Merkle root goes into the seed, the winner is saved before the card moves, and a failed transfer retries to the same winner. Recompute any draw at /fairness.
05 OPEN BOOKS

Every fee has a line in the ledger.

Claims are split 80/20 in the same transaction, so the platform share can't be skipped or quietly parked. Every claim, split, swap, buy, payout, buyback and burn is listed in the vault ledger.
06 $BIND HAS A JOB

The platform token is wired to the fees.

Half of the platform's 20% buys back and burns $BIND. The other half buys cards for the Binder Vault, and those cards are raffled to $BIND holders. Details on the $BIND page.
WHAT WE FIXED

Ten weak spots of first-generation card strategies, and what Binder does instead.

"Before" figures were measured from public on-chain data and public APIs of the first card-strategy platform on 27–28 September 2026.

  1. 01

    Search

    BeforeOnly the first character in a rule was searched, so strategies with several characters kept buying one of them.
    BinderEvery character in the rule is searched on every scan, and the rule's buy order (cheapest, best deal or newest) picks from all of them.
  2. 02

    Failed buys

    Before28% of purchase attempts failed: duplicate sends, marketplace markups the budget didn't cover, transaction-format errors.
    BinderOnly Collector Crypt listings priced in USDC, a budget that includes fees and the swap, and a check that the listing is still live right before buying.
  3. 03

    Overpaying

    BeforeThe median card was bought at 1.23× its insured value, and most cards were bought above it.
    BinderA fair-value guard: never more than 110% of Collector Crypt's insured value by default, and the cap is part of the locked rules.
  4. 04

    "Locked" rules

    BeforeRaffle windows of live strategies were changed after launch.
    BinderRules and policy are hashed at deploy. There is no edit for anyone, and the hash is printed on every strategy page.
  5. 05

    Re-rolls

    BeforeWhen a prize transfer failed, the draw ran again with a new blockhash: a new seed, and possibly a new winner.
    BinderThe winner is stored before the transfer, and a failed transfer retries to the same winner. No re-rolls.
  6. 06

    Seeds

    BeforeThe seed came from a recent blockhash, and the list of holders wasn't committed anywhere.
    BinderSnapshot first, then commit to a future slot's blockhash, with the snapshot's Merkle root inside the seed. Anyone can recompute it.
  7. 07

    Insiders

    BeforeDeployers could win their own raffles, dev buys went up to 20 SOL, and one seller won back the card they had sold.
    BinderThe deployer and dev-buy wallet are excluded, dev buys are capped at 2 SOL, the card's seller is excluded, and the last 2 winners sit out.
  8. 08

    Platform share

    BeforeThe 20% platform share was a separate transfer that was skipped on 25–50% of claims, and nothing had ever left the platform treasury.
    BinderThe split happens inside the claim transaction, and every claim, split, buyback and burn is in the public ledger.
  9. 09

    The token

    BeforeThe platform token had no job: no buyback, no rewards, nothing wired to the fees.
    Binder50% of platform fees buy back and burn $BIND, and 50% fund the Binder Vault, which is raffled to $BIND holders.
  10. 10

    The queue

    BeforeAll draws shared one global queue: raffles set to 15 minutes waited a median 14.5 hours.
    BinderEach strategy draws on its own clock, at most one draw every 15 minutes, and never waits behind other strategies' draws.
THE LONG VERSION

Why rules, tokens and slabs fit together.

01 WHY SLABS

A graded slab is a price you can check.

The grade is locked on the certificate, the card sits in an insured vault, and there is a real secondary market for it. Collector Crypt tokenizes slabs 1:1 and publishes an insured value for each one, which gives a strategy something honest to measure every price against. That is what makes a fair-value guard possible at all.

02 WHY A TOKEN

A small entry into a big card.

A top-grade chase card can cost hundreds or thousands of dollars. A strategy token lets many people hold a slice of a strategy that keeps buying those cards. In a raffle strategy your odds on each card are simply your share of the eligible supply: no boosts, no points, no leaderboard to game.

03 WHY PUMP.FUN

The fee engine already exists.

pump.fun pays a creator fee on every trade of a token: 0.30% on the bonding curve and up to 0.95% on PumpSwap, depending on market cap. Make the strategy wallet the creator and that fee flows straight to the cards. Binder adds no tax of its own on top. The full table is on How it works.

A strategy is only as honest as its rules. So the rules can't change.
04 WHY RULES, NOT A TEAM

Nobody picks the cards.

Once a strategy is live, the rule decides what to buy, the policy decides what happens next, and the worker only carries it out. The deployer can't nudge it, and neither can we: the hash of the rules is public from the first second, and the deployer is shut out of their own draws.

05 WHY IT HAS TO BE CHECKABLE

Receipts over promises.

Every draw publishes its snapshot root, target slot, blockhash, seed and ticket. Every fee has a ledger line. If something looks wrong, you don't have to take our word for it; you can recompute it at /fairness and follow the money at /vault.

If you can recompute it, you don't have to trust it.
06 WHAT WE DON'T PROMISE

No profit, no redemption right, no magic.

Strategy tokens are memecoins, and their price can fall to zero. Fees exist only while people trade; without fees a strategy buys nothing. Holding a token does not entitle you to any card except one you win in a draw. Binder is experimental, unaudited software, it is for adults (18+), it is not financial advice, and prize draws are not available where they are prohibited. Read the terms & risks.

START HERE

Pick a door.

DEPLOY A STRATEGY →BROWSE STRATEGIES →HOW IT WORKS →VERIFY A DRAW →WHAT $BIND DOES →