CoinDraft·Game Rules
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How CoinDraft Works

Fantasy crypto league — draft a lineup of tokens, compete on real price moves, win SOL.

Overview

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CoinDraft is a fantasy sports-style game built on crypto price action. You join a league, draft a lineup of 7 tokens under a salary cap, and compete against other players based on how your picks perform over the contest window.

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Contests are peer-to-peer — your entry fee goes directly into the prize pool. The winner takes the pool. CoinDraft takes a 10% platform fee at the time you join; the remaining 90% is your contribution to the prize pool.

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All payments are in SOL on the Solana blockchain. Payouts are sent automatically to the winner's wallet when the contest ends.

Game Phases

Phase 1 · Lobby

Players join and pay their entry fee. The lobby stays open until the timer expires — even if the lobby fills up, the game waits for the full timer.

Phase 2 · Drafting

A 5-minute drafting window opens for all joined players to build their lineup. You can also draft during the lobby phase — picks are accepted any time before draft closes.

Phase 3 · Scoring

Token prices are snapshotted at draft close. The contest runs for the chosen duration (5 min to 1 week). Final prices are recorded and points are calculated.

If fewer than 2 players join before the lobby closes, the league is cancelled and all entry fees are refunded in full.

Drafting Rules

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Each player selects exactly 7 tokens from a pool of the top 50 cryptocurrencies by market cap, ranked and priced by tier.

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You have a salary cap of 50 points. Each token costs a salary based on its tier rank — you cannot exceed the cap.

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Picks can be changed any time before the draft window closes. Once the draft window closes, lineups are locked and cannot be edited.

Token Tiers
TierMarket Cap RankSalary Cost
Star1 – 58 – 10 pts
Starter6 – 205 – 7 pts
Bench21 – 353 – 4 pts
Rookie36 – 501 – 2 pts
Example: a valid lineup could be 1 Star (10) + 2 Starters (6+6) + 2 Bench (4+4) + 2 Rookies (2+2) = 34 pts — well within the 50-pt cap. You have flexibility in how you build your roster as long as the total salary doesn't exceed 50.

Scoring

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Each pick is scored on its percentage price change from the draft-close snapshot to the contest-end snapshot, measured in USD.

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Points per pick = % change (e.g. +5.2% move = +5.2 points). Points are capped at ±300 per pick to limit extreme outlier impact.

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Your total score is the sum of all 7 pick points. The player with the highest total wins.

Available Contest Durations
5 minUltra-fast — quick flip on a news spike
15 minShort burst — fast intraday play
1 hourHourly — short-term momentum
6 hoursHalf-day — session-level moves
24 hoursDaily — one full trading day
48 hoursTwo-day — overnight carry
1 weekWeekly — macro trend contest

Prizes & Fees

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CoinDraft takes a 10% platform fee at the time you join. Your 90% contribution is added to the prize pool immediately.

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The winner takes the entire prize pool. Payouts are sent on-chain to the winner's Solana wallet automatically after the contest ends.

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If two or more players finish with the exact same score, the prize pool is split equally among all tied players.

Prize Pool Example
4 players × 0.1 SOL entry0.4 SOL collected
Platform fee (10%)− 0.04 SOL
Prize pool0.36 SOL
Winner receives0.36 SOL

Forfeits & Ties

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If you do not submit a lineup before the draft window closes, you are forfeited. A forfeit counts as a loss — your entry fee is not returned.

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If all players in a league forfeit (nobody submits a lineup), it is treated as a tie. The prize pool is split equally among all players in the league. Entry fees are not refunded — the split is paid from the prize pool (i.e. 90% of each entry fee comes back, the 10% platform fee is still kept).

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If some players forfeit and some do not, only the players who submitted lineups are eligible to win. Forfeited players receive nothing.

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In the event of a tie among active players, the prize pool is split equally. There is no tiebreaker — equal scores share the prize.

All-forfeit split example: 2 players, 0.01 SOL entry each → 0.018 SOL prize pool → each player receives 0.009 SOL back. The 0.002 SOL platform fee is non-refundable.

Refunds

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Your entry fee is fully refunded if the lobby closes with fewer than 2 players. Refunds are sent on-chain to your wallet automatically.

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Entry fees are not refunded once a contest starts (2 or more players joined and the lobby timer expired). This includes forfeited entries.

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There are no partial refunds. Once the game is live, all funds are committed to the prize pool.

Ready to play?

Join a league for as little as 0.01 SOL

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