Crypto Gambling · Review
ActiveJustBet Review 2026: Onchain Creator Casino on Arbitrum
JustBet is an onchain creator casino on Arbitrum where every bet settles in WINR and the bankroll comes from independent liquidity providers. Its transparency claims are appealing, but the licence, KYC and fee details are not published publicly reviewed.
By the DappsAtlas editorial team · Updated
DappsAtlas score
6.8/10
Good
Our verdict on JustBet
6.8/10JustBet suits crypto-curious players who value verifiable fairness and an onchain bankroll, and creators who want to earn from casino games they publish. Its strengths are provably fair verification, instant settlement on Arbitrum and an emergency withdrawal design. The main caveats are that no licence, KYC policy, fee detail or named audit appears, and that play requires WINR and its price risk. Read the terms and audit material first, and stake only small amounts at the start.
Score breakdown
How JustBet scores
- Security
- 6.0/10
- Ease of use
- 7.5/10
- Fees
- n/a
- Features
- 7.5/10
Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.
What is JustBet?
JustBet is an onchain, creator-focused casino. DefiLlama describes it as a decentralized autonomous casino with games, reward systems, bankrolls and revenue-sharing built onchain. It has been listed there since March 2025 under the Luck Games category.
The homepage pitches the idea as play, create and own. Players bet in WINR on Arbitrum, while creators can publish games and earn from them. The lobby lists slots, blackjack, roulette, originals, PvP poker and contests, plus rewards, cashback, a VIP programme and a leaderboard.
The main selling point is verifiability: a transparent onchain bankroll, provably fair rounds and an escrow with emergency withdrawals. The gaps are in the details the project does not cover, including licensing, KYC, fees and a named audit. DefiLlama shows no TVL figure and no listed audits.
How JustBet works
JustBet runs casino games where bets settle onchain in WINR on Arbitrum. A player deposits WINR to a casino balance held in an onchain escrow, plays games, and can withdraw the balance. According to the homepage, JustBet never custodies the chip.
The house bankroll is funded by independent liquidity providers rather than a single operator, and revenue-sharing is built into the system. Game creators publish games on the platform and can earn from them, which is why the site calls itself a creator casino.
Fairness uses a commit-and-reveal scheme. The platform publishes a hash of its server seed before play, results are produced with HMAC-SHA256 from that seed, your client seed and a bet nonce, and after you rotate your server seed you can recompute past bets.
7 features
Key features
01
Creator-built games
Anyone can build and publish a casino game and earn from it. The homepage promotes game shares, a creator dashboard and a prompt library.
02
Onchain bankroll
Bets settle instantly on Arbitrum in WINR. The bankroll is visible onchain and funded by independent liquidity providers.
03
Provably fair verification
A server seed hash commitment plus HMAC-SHA256 with client seed and nonce lets players check past bets after rotating their seed.
04
Varied game lobby
The lobby lists slots, blackjack, roulette, originals, PvP poker and contests, with categories like trending and new releases.
05
Simple sign-up
Users can sign up with email or a social account without browser extensions or seed phrases.
06
Rewards and VIP tiers
The site lists cashback, a VIP programme, a leaderboard and campaigns, though terms are not detailed publicly.
07
Emergency withdrawal path
Emergency withdrawals via Merkle proof are said to remain possible if the platform goes offline.
Pros and cons
What we like
- Bankroll and settlement are onchain on Arbitrum, so the house funds can be inspected.
- Provably fair design with a published seed hash commitment and player-verifiable bets.
- Emergency withdrawals via Merkle proof are said to work even if the platform goes offline.
- Creators can publish games and earn from them, which is a distinct model for a casino.
- Email or social sign-up lowers the barrier for people new to crypto.
Watch out for
- Bets settle only in WINR, so players must hold and deposit that token and take on its price volatility.
- No gambling licence is mentioned.
- KYC requirements are not stated, so users cannot tell what identity checks apply.
- DefiLlama lists no audits for the project, and the audit of the escrow mentioned on the homepage is not named or linked.
- Fees, house edges and limits are not published in the material reviewed.
- Email or social sign-up means the user does not manage their own wallet, which reduces transparency for people who want full self-custody.
JustBet fees
JustBet's fees are not published publicly reviewed. House edge, game-level returns, creator revenue splits and any withdrawal costs are not stated.
Users would likely find game rules and return-to-player figures on individual game pages and in the terms. Because deposits are in WINR on Arbitrum, expect network gas costs and possible bridging fees if you move WINR from another chain.
Is JustBet safe?
The homepage says WINR balances sit in an audited onchain escrow on Arbitrum and that JustBet does not custody the chip. It also describes Merkle-proof emergency withdrawals. These are the platform's own claims; DefiLlama lists zero audits for the project, and no auditor or report is named publicly, so treat the audit claim as unverified until you read the report.
No gambling licence or regulator is mentioned publicly, and KYC requirements are not stated. Smart-contract risk, WINR token price risk and liquidity-provider risk all apply. Check that online gambling is legal in your jurisdiction. You must be 18 or older, and you should only stake what you can afford to lose. The site links to responsible gaming resources.
6 steps
How to get started with JustBet
- 1
Check that online gambling is legal where you live and that you are 18 or older.
- 2
Read the terms and conditions, privacy policy and the provably fair page on the site.
- 3
Sign up with an email or social account.
- 4
Get WINR on Arbitrum, or bridge it in from another network, and deposit it to your casino balance.
- 5
Start with small stakes on a game and review its rules and the verification tools.
- 6
Set your own limits using the responsible gaming resources, and withdraw your balance whenever you choose.
Who JustBet is for
JustBet is for adults in places where online gambling is legal who are comfortable holding WINR on Arbitrum and want to verify results themselves. It also suits creators interested in publishing games and sharing in the revenue. It is a poor fit for anyone who needs a licensed operator, clear KYC rules or published fee schedules.
JustBet FAQs
What is JustBet?
JustBet is an onchain casino that lets anyone create and publish games and earn from them. Players bet in WINR on Arbitrum, and settlement and the bankroll are handled onchain according to the homepage.
Is JustBet safe?
The homepage says casino balances sit in an audited onchain escrow on Arbitrum, and that emergency withdrawals via Merkle proof stay available if the platform goes offline. DefiLlama lists no audits, and the audit report itself is not public, so check it yourself before depositing.
Is JustBet provably fair?
JustBet says it publishes a server seed hash as a commitment and uses HMAC-SHA256 with your client seed and a per-bet nonce. After you rotate your server seed, you can verify past bets with public data.
What currency does JustBet use?
The homepage says you sign up with an email or social account and deposit WINR to your casino balance. WINR on Arbitrum is the chip every bet settles in, and you can bridge WINR in.
Does JustBet require KYC or have a gambling licence?
The project does not state a licence or KYC policy, so nothing can be confirmed either way. Read the terms and conditions on the site and check that online gambling is legal where you live. The service is for adults aged 18 or over.
Does JustBet have a welcome bonus?
not public reviewed. The site lists rewards, cashback, a VIP programme and a leaderboard, but no specific welcome bonus. A separate affiliate page mentions a 10% commission rate.
Is it the same as the Australian JustBet sports betting app?
No. Public reporting also show an Australian sports betting brand with a similar name and a mobile app. The crypto casino reviewed here is the Arbitrum and WINR platform.
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