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Arbitrum has announced the winners of its Open House Buildathon, a significant event that drew over 1,200 builders globally. This initiative engaged the community and encouraged innovative ideas onchain, with participants competing for a total of $85K in prizes. This effort not only highlights Arbitrum’s commitment to fostering development but also strengthens its position within the crypto ecosystem. For more details, see the official announcement here. The Story So Far The recent Arbitrum Open House Buildathon showcased an impressive turnout with more than 1,200 builders participating. This event, in collaboration with Robinhood Chain, was designed to stimulate creativity and innovation among developers in the crypto space. The overall engagement is a testament to Arbitrum’s growing influence and the vibrant community surrounding it. With the announcement of winners, the spotlight is on the projects that emerged from this competition, which could further inspire future developments in the ecosystem. Key Details Arbitrum hosted the Open House Buildathon with over 1,200 participants. The event offered a total of $85K in prizes to the winning teams. Collaborating with Robinhood Chain, the initiative aimed to bring innovative ideas onchain. The announcement highlights the activities and projects that could shape the future of the Arbitrum ecosystem. Market Pulse Currently, the crypto market exhibits mixed signals, reflecting fluctuating momentum across various assets. However, the excitement generated by events like the Arbitrum Buildathon may contribute positively to community sentiment. As developers continue to innovate, the potential for new projects to emerge could influence market dynamics. With no recent price action reported for Arbitrum, the focus remains on the community’s response to these developments. Arbitrum is a Layer 2 scaling solution for Ethereum, aimed at enhancing transaction speeds and lowering costs. The Open House Buildathon serves to enrich its ecosystem by encouraging developers to create innovative solutions that leverage Arbitrum’s technology. Eyes on These Levels Traders and enthusiasts should keep an eye on the projects that emerged from the Buildathon, as they may introduce new functionalities and use cases within the Arbitrum ecosystem. Continued community engagement and innovation are likely to drive interest and participation in future events. Moreover, the overall sentiment in the crypto market could shift positively as new projects gain traction.

🔓 Top Token Unlocks This Week (Oct 12 - Oct 18) 1️⃣ Cronos (CRO) - $72.6M; 2.35% circ supply 2️⃣ Pump​.​fun (PUMP) - $41.3M; 1.53% circ supply 3️⃣ Arbitrum (ARB) - $18.0M; 1.36% circ supply 4️⃣ Starknet (STRK) - $16.6M; 2.20% circ supply 5️⃣ YZY MONEY (YZY) - $8.4M; 9.63% circ supply 6️⃣ Sei (SEI) - $8.4M; 1.58% circ supply 7️⃣ Pieverse (PIEVERSE) - $6.4M; 1.69% circ supply 8️⃣ Pudgy Penguins (PENGU) - $4.6M; 0.89% circ supply 9️⃣ Espresso (ESP) - $2.3M; 3.87% circ supply 🔟 OFFICIAL TRUMP (TRUMP) - $1.8M; 0.32% circ supply

$GRVT Ethereum mainnet can make a small casino deposit expensive. Arbitrum, Base and Optimism move the same ETH and stablecoins for a fraction of the fee, so cashiers now list them as separate routes. The three networks look alike from a wallet: same address format, same fee coin, similar speed. They differ on who built them, which tokens a given cashier accepts on each and how they suit the wallet or exchange you already use. Below: what a layer two does, the three networks compared, the route for each wallet, three pitfalls, and withdrawals. What a Layer Two Does Layer twos process transactions away from Ethereum mainnet, then post compressed batches back to it. Arbitrum, Optimism and Base all use a design called an optimistic rollup, which assumes batches are valid unless someone challenges them. Fees dropped sharply after Ethereum's Dencun upgrade in March 2024, which cut the cost of the data they post to mainnet. All three charge fees in ETH, so a wallet needs a little ETH on the chosen network even when it sends a stablecoin. The well-known seven-day wait applies to withdrawals from a rollup back to Ethereum through its official bridge. Transfers within one layer two, such as a casino deposit, confirm far quicker. Three Networks at a Glance The three routes share a design but differ in origin and token list. Here they appear side by side, with the assets Dexsport accepts on each. Network Public launch Built by Fee coin Own token Dexsport assets Arbitrum One 2021 Offchain Labs ETH ARB, a governance token ETH, USDC, USDC.e, USDT, ARB, PYUSD Optimism 2021 OP Labs and the Optimism Collective ETH OP, a governance token ETH, USDC, USDC.e, USDT, OP, WLD Base 2023 Coinbase, on the OP Stack ETH Launched without one USDC, ETH, PONKE Last verified: October 2026 Dexsport lists six assets each on Arbitrum and Optimism and three on Base, among 26 networks at its cashier. Its deposit screen labels Arbitrum as ARB1 and Optimism as OP. Which Route Fits Your Wallet The lowest-cost route usually starts where your funds already live. Common situations map to a layer two as follows. Your situation Route that fits Why Funds on Coinbase Base Coinbase supports Base sends directly Funds already on Arbitrum Arbitrum Skip a bridge and its fee Holding OP or WLD Optimism Both tokens trade there Holding USDT Arbitrum or Optimism Dexsport lists USDT on both, not on Base Holding USDC.e Arbitrum or Optimism Bridged USDC has its own entry on each Last verified: October 2026 Routes that start on an exchange depend on which networks that exchange supports for withdrawals, so check its list before you pick one. Three Common Pitfalls Layer twos remove most of the cost, though a few mistakes still catch new users. Bridged USDC Versus Native USDC Arbitrum and Optimism each host two kinds of USDC: native USDC issued by Circle and older bridged USDC.e. Dexsport lists them as separate entries, and its deposit screen shows USDC.e as "Bridget". Our piece on USDC.e mix-ups explains how a mismatch can cost a deposit. Zero ETH for Gas Every transfer on these networks pays its fee in ETH. Wallets with 100 USDC and zero ETH on Base cannot send the USDC, so add a small ETH balance on the network first. The Wrong EVM Network Ethereum, Arbitrum, Optimism and Base share one address format, so a deposit address looks identical on all four. Send on a network the cashier did not show for that address, and recovery may depend on the operator. Read the chain name on the deposit screen before every send. Withdrawals Back to a Layer Two Withdrawals follow the same logic in reverse: pick the network your wallet will receive on, and confirm the token matches. Our look at network fees shows how the choice of chain affects cost. Each coin on each layer two has its own minimum at Dexsport, pegged to a dollar figure. Before a first withdrawal, each deposit needs one round of sports bets at odds of 1.3 or higher, or x2 turnover in casino games, and Cash Out settlements stay outside that count. Dexapp LTD holds the platform's Anjouan licence, and the asset list evolves over time. Conclusion Arbitrum, Optimism and Base all run as optimistic rollups on Ethereum, charge fees in ETH and cut deposit costs sharply compared with mainnet. They differ on origin, token list and fit: Base suits Coinbase users, Arbitrum suits DeFi holders, and Optimism suits OP and WLD holders. At Dexsport, Arbitrum and Optimism each list six assets, USDT and USDC.e among them, while Base lists three. Keep a little ETH on the network, match USDC with USDC.e correctly, and confirm the label before you send. Check the law where you live, play only at legal age, and expect that KYC or AML checks may apply. Responsible gambling includes a budget set before any transfer.   Disclaimer: The information here is provided for general purposes only and is not legal, tax, investment, or financial advice. Network features, fees and supported assets change, so confirm current options on the platform before you deposit. Casino games and betting involve risk, and rules vary by country, so check the law where you live. Please play responsibly, within your means, and only if you are of legal age.

$GRVT Paxos has launched its stablecoin, $USDG, on the Arbitrum network, marking a significant step in enhancing the programmable economy. This move could facilitate increased liquidity and user engagement within the DeFi ecosystem, as highlighted in a tweet from the Arbitrum handle. The integration with major partners like Robinhood and Kraken could drive substantial adoption moving forward. source The Key Development The broader crypto market shows mixed signals, but the launch of $USDG on Arbitrum is likely to attract increased attention. With the stablecoin already achieving a market cap of over $30 million just a day post-launch, its entry into the Global Dollar Network, alongside partners like Robinhood and Kraken, positions it for rapid adoption. Additionally, the Arbitrum Foundation’s initiatives to support data transparency further enhance the platform’s appeal to traders and investors alike. Quick Take Paxos launched $USDG on Arbitrum, enhancing liquidity and user engagement. The stablecoin is now part of the Global Dollar Network, which includes Robinhood, Kraken, and others. Robinhood Chain celebrates 100 days onchain, marking a significant milestone. Founders and investors gathered at the Arbitrum Founders Eve in Singapore, showcasing innovative projects. The Arbitrum Dune Credit Program supports public dashboard development with 2,500 credits monthly. Price Action Breakdown Currently, Arbitrum is witnessing a surge in engagement due to the launch of $USDG, which is expected to bolster trading volumes significantly. The presence of major players like Robinhood on the network signals a growing interest in the programmable economy, creating a robust environment for innovation. As $USDG gains traction, traders should keep an eye on user adoption metrics and overall liquidity trends. Arbitrum is a layer-2 scaling solution for Ethereum, designed to improve transaction speeds and reduce costs, catering to decentralized finance applications. The launch of $USDG aligns with its mission to foster a programmable economy and enhance user engagement through innovative financial products. What to Watch Traders are watching the uptake of $USDG closely, particularly its impact on liquidity and trading volumes. Continued partnerships with established platforms like Robinhood and Kraken may lead to further growth in user engagement on Arbitrum. Additionally, upcoming developments in programmable markets could reshape the DeFi landscape, creating new opportunities for builders and investors alike. This article is for informational purposes only and does not constitute financial advice.