1000x BTC/ETH perps on Robinhood Chain against a shared USDG House; losing trades mint $CHALK, which earns a share of fees and House surplus.

Official links: Website (blackboard.trade) · @BlackboardPerps (x.com) · Docs (blackboard.trade) · Discord (discord.gg)

What Blackboard does

• Up to 1000x long/short on BTC and ETH with USDG margin
• Prices from Chainlink Data Streams, verified on-chain per trade
• Trades settle against a shared House; winners are paid first in, first out when it is short
• Losing trades mint $CHALK; staked $CHALK earns USDG fees and fades with a one-day half-life
• 14-day epochs where redeemed $CHALK claims 80% of House surplus and is burned

A 2% fee on winners' profit and on losers' loss, split 1% to the operator and 1% to $CHALK stakers; the operator also takes 10% of the House split at each epoch close.

Blackboard is a perpetuals game on Robinhood Chain. Traders open up to 1000x long or short positions on BTC and ETH with USDG margin, priced by Chainlink Data Streams and checked on-chain in the same transaction, and trade against a shared House that keeps losses and pays winners. Every losing trade mints $CHALK on the full margin; staked $CHALK earns a share of fees in USDG, decays with a one-day half-life, and can be redeemed against House surplus at each 14-day epoch close. The contracts are upgradeable proxies whose source is not verified. They went live on mainnet on 27 October 2026, and the app opened to the public at 13:00 UTC that day. By 29 October 2026, 20 wallets had opened 267 positions, deposited 4,205 USDG and withdrawn 1,235 USDG, and the vault held 2,970 USDG, all of it accounted for, with an empty payout queue.

• On Robinhood Chain since: 2026-10-27
• Founded: 2026
• Team: No team named on the site.
• Token: $CHALK
• Audits: None published

Blackboard has a token, $CHALK: CHALK price, market cap, holders and trades.

Blackboard contracts on Robinhood Chain

• Blackboard vault (House) 0x822975bf32989cc5bd85b0843e8c48b1f5fb5439
• Blackboard engine 0x08c58fe12e302271bf8a330b3c37562390671e10
• Blackboard gateway 0xf0705f7c193ffb180a97412f8e90b4fa0e0ff180
• CHALK 0xbc2dfafca16d463a85283efc3c05bc75ae5792d2
• Blackboard CHALK staking 0x6ac17e91824628072569d819a0f22782188ef645
• Blackboard redemption 0x7b7d954497042504524f073837d5d701deeda0b1
• Blackboard oracle 0xe661f3823acfbc437931b7d6f2f01ab0d9dcc03a
• Blackboard reward batcher 0x4fc8b9139023b1ee178cbfd6924249979e58b603
• Blackboard referral 0xfa6694c5f85fc8f37d00f7a30132049bc19ca504

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