Best of · Arbitrum · Updated Nov 8, 2026

The best Crypto Gambling dApps on Arbitrum in 2026

We track 15 Crypto Gambling dApps that run on Arbitrum and have reviewed 9 of them in full. Our top pick is JustBet. Each one is scored on security, ease of use, fees and features.

1
JustBet
Crypto Gambling · Arbitrum
JustBet is a WINR-based casino on Arbitrum where you can play games or create them. Its provably fair system is verifiable, but fees, licensing, KYC and audit details need checking before you deposit.
Read the JustBet review Visit JustBet(opens in a new tab)
ScoreScore 5.5 out of 10
TVL —
2
WINR Protocol
Crypto Gambling · Arbitrum, Robinhood Chain
WINR combines an onchain casino bankroll with AI-assisted game creation and game markets. You can use WINR to create or trade around games, or supply it to the bankroll—but published fees, licensing and key security details need checking first.
Read the WINR Protocol review Visit WINR Protocol(opens in a new tab)
ScoreScore 5.3 out of 10
TVL $0
3
PRDT
Crypto Gambling · Ethereum, BNB Chain, Polygon +3
PRDT lets you bet on short-term price moves through fixed-payout Pro rounds or shared-pool Classic rounds. Check the fee, custody and withdrawal details carefully before putting funds in.
Read the PRDT review Visit PRDT(opens in a new tab)
ScoreScore 5.2 out of 10
TVL $452K−0.5%
4
Overtime
Crypto Gambling · Arbitrum, Base, Optimism +3
Overtime is an onchain sports betting platform that uses a connected crypto wallet, not a conventional sportsbook account. Its chain support and smart-contract model are appealing, but fees, audit details and licensing need checking before you bet.
Read the Overtime review Visit Overtime(opens in a new tab)
ScoreScore 4.8 out of 10
TVL $1.27M−2.0%
5
Limitless
Crypto Gambling · Arbitrum, Base, Linea
Limitless is a crypto prediction market for sports, esports, crypto prices and other events. Its market range is clear, but fees, custody and key safety details are not.
Read the Limitless review Visit Limitless(opens in a new tab)
ScoreScore 4.5 out of 10
TVL —
6
Predictions Prdt
Crypto Gambling · BNB Chain, Ethereum, Arbitrum +1
Predictions Prdt offers short-term crypto price bets in Pro and shared Classic rounds. Its fee model is partly clear, but licensing, audits and exact chain support need checking before you connect a wallet.
Read the Predictions Prdt review
ScoreScore 4.5 out of 10
TVL —
7
Narwhal Finance
Crypto Gambling · Arbitrum, Monad, BNB Chain
Narwhal Finance’s current casino branding points to nar.bet, a MON casino on Monad with provably fair games. Check that you’re using the intended service: its derivatives listing and casino details don’t clearly line up.
Read the Narwhal Finance review Visit Narwhal Finance(opens in a new tab)
ScoreScore 4.0 out of 10
TVL $1.27K−0.1%
8
Azuro
Crypto Gambling · Polygon, Linea, Arbitrum +3
Azuro is sportsbook infrastructure for on-chain betting apps, not a sportsbook you can use directly. Its betting operations are currently paused, so don’t deposit or place bets through an Azuro-powered app unless it confirms service has resumed.
Read the Azuro review Visit Azuro(opens in a new tab)
ScoreScore 2.0 out of 10
TVL $54.6K−0.1%
9
ZKasino
Crypto Gambling · Polygon, Arbitrum, BNB Chain +1
ZKasino was a crypto sports-betting project, but reports of disputed ETH deposits and a limited refund process make it a high-risk choice. Its current operating status is unknown; don’t deposit unless you can independently verify the platform and its withdrawal terms.
Read the ZKasino review
ScoreScore 1.5 out of 10
TVL $929+0.3%
10
DeltaSwap
Crypto Gambling · Arbitrum, Base, Ethereum
The project identity is unclear: the listing describes DeltaSwap as a spot DEX, but its linked site presents GammaSwap V2 prediction markets. Verify which product you mean before connecting a wallet.
Read the DeltaSwap review Visit DeltaSwap(opens in a new tab)
ScoreNot rated yet
TVL $241K−2.8%
11
BetSwirl
Crypto Gambling · Unichain, Polygon, Arbitrum +3
BetSwirl is described as a decentralized crypto gambling platform, but its current official site shows a different brand. Its games, costs and trust details remain unclear.
Read the BetSwirl review Visit BetSwirl(opens in a new tab)
ScoreNot rated yet
TVL $0
12
sx Bet
Crypto Gambling · Sxnetwork, Arbitrum
SX Bet is a blockchain-based sports betting exchange for peer-to-peer wagers. Key details such as fees, KYC and licensing remain unclear, so check them before depositing.
Read the sx Bet review
ScoreNot rated yet
TVL —
13
Arbi Roul
Crypto Gambling · Arbitrum
Arbi Roul is a crypto gambling project on Arbitrum. Its team publishes little about how it works, what it costs or how funds are secured, so treat it with care.
Read the Arbi Roul review
ScoreNot rated yet
TVL —
14
Candlewars
Crypto Gambling · Arbitrum
Candlewars is a crypto gambling project on Arbitrum. Its team publishes little about how it works, what it costs or how funds are secured, so treat it with care.
Read the Candlewars review
ScoreNot rated yet
TVL —
15
Thekey Fun
Crypto Gambling · Arbitrum
Thekey Fun is a crypto gambling project on Arbitrum. Its team publishes little about how it works, what it costs or how funds are secured, so treat it with care.
Read the Thekey Fun review Visit Thekey Fun(opens in a new tab)
ScoreNot rated yet
TVL —

Crypto Gambling dApps on Arbitrum: the numbers

Tracked: 15
Reviewed: 15
Total TVL: $2.02M
Avg. score: 4.1/10

The SkyBitcoins index lists 15 crypto gambling dApps on Arbitrum. Every one of them has a full review. Across the 6 with TVL data, the combined value locked is $2.02M, counting value on every chain they support. Overtime dominates, with 63% of that total. The five largest make up 100% of the total; the median is $54.6K.

By value locked, the largest crypto gambling dApps on Arbitrum are Overtime ($1.27M), PRDT ($452K) and DeltaSwap ($241K). The best-rated is JustBet with 5.5/10, followed by WINR Protocol (5.3) and PRDT (5.2). The 9 rated crypto gambling dApps average 4.1/10, and none scores 8 or above yet.

Beyond Arbitrum, these crypto gambling dApps most often also run on BNB Chain (6), Polygon (6) and Base (5). Of the 11 with a confirmed status, 10 are active and 1 is inactive or wound down. In the past week, total value locked fell 1.7%.

Largest by TVL

1Overtime$1.27M
2PRDT$452K
3DeltaSwap$241K
4Azuro$54.6K
5Narwhal Finance$1.27K

Highest rated

Method

How we ranked them

Reviewed dApps come first. Each SkyBitcoins review scores security, ease of use, fees and features from 0 to 10 using public facts such as audits, documentation and on-chain data; the overall score orders the list, with total value locked as the tie-breaker. Projects we have not reviewed yet follow, ordered by total value locked. Scores are never sold.

Guides

Related guides

All guides

Blockchain
How to Use Base: A Practical Guide for 2026
Base is an Ethereum Layer 2 that lets you use compatible wallets and apps with ETH for gas. Learn how to set up a wallet, move funds, estimate costs and avoid common risks.

Frequently asked questions

What is the largest crypto gambling dApp on Arbitrum by TVL?

Overtime is the largest crypto gambling dApp on Arbitrum by total value locked, with $1.27M across all the chains it supports. It is followed by PRDT ($452K) and DeltaSwap ($241K). TVL figures come from DefiLlama and change daily.

Which crypto gambling dApp on Arbitrum has the highest SkyBitcoins score?

JustBet has the highest score at 5.5/10, ahead of WINR Protocol (5.3) and PRDT (5.2). Scores weigh security, ease of use, fees and features, and are based only on facts we could verify.

How many crypto gambling dApps on Arbitrum has SkyBitcoins reviewed?

SkyBitcoins tracks 15 crypto gambling dApps on Arbitrum. Of these, 15 have a full review and 6 report value locked, $2.02M in total, counting value on every chain they support.

Which crypto gambling dApps on Arbitrum grew the most this week?

Among crypto gambling dApps with at least $1M locked, . Combined TVL moved −1.7% over the same seven days.

What is the average score for crypto gambling dApps on Arbitrum?

The 9 rated crypto gambling dApps on Arbitrum average 4.1 out of 10. Of these, 0 score 8 or higher and 6 score below 5.

Ranked list