#mainnet
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dYdX Has Launched a Beta Version of Its Blockchain for Trading
dYdX Chain, a standalone Layer 1 platform based on Cosmos, has officially entered the beta-testing phase of its mainnet. This milestone follows a decisive governance vote, where over 99% supported the transition from post-trading to active trading. 
Uniswap Introduces Swap Protection Feature
Uniswap has rolled out "Swap Protection" to shield Ethereum mainnet transactions from sandwich attacks and front-running.
When users enable this feature in the Uniswap Wallet, swaps are directed to a private transaction pool, enhancing security against potential threats. Due to this added layer, some swaps might have higher auto slippage to boost the likelihood of successful transactions. MetaMask's New Feature: Cash Out Directly to Fiat!
MetaMask Portfolio now lets users cash out crypto to fiat currencies like USD, EUR, and GBP. Users can quickly convert crypto to fiat, sending it directly to preferred destinations like bank accounts or PayPal.
Instead of relying on one provider, MetaMask aggregates multiple vetted providers, presenting real-time conversion options.
Currently, this feature supports ETH on Ethereum Mainnet in the US, UK, and parts of Europe. Expansion plans include more regions and layer 2 network gas tokens. Shibarium Mainnet and Bridge Back in Action
Shibarium, the Layer 2 blockchain by Shiba Inu's creators, is back in action. After a temporary shutdown due to scalability issues, the team has reopened withdrawals on its bridge to Ethereum. The pause initially locked millions in user funds and caused community unrest.
Now, the mainnet and bridge are fully functional, allowing withdrawals of various assets like SHIB, LEASH, and WETH within 45 minutes to 3 hours. BONE token withdrawals are also back but may take up to 7 days. DeBank's testnet welcomes DeBank Chain launch
DeBank has introduced a new Layer-2 solution based on OP Stack for user experimentation. It's now live for testing, and the mainnet is slated for 2024.
According to an official briefing, developers have accomplished cost reductions ranging from 100 to 400 times for specific transactions, all the while targeting gas expenditure.
Besides, to fortify user defense and trim L1 data leaks, transactions will be signed with a specially devised second-tier private key. WhiteBIT Mainnet Goes Live Today!
In just four years, crypto exchange WhiteBIT has made significant strides and numerous accomplishments. It has become the most successful cryptocurrency platform in Europe, underpinned by a robust and efficient ecosystem. But what visionary wouldn't dream of establishing their own blockchain network? 
Layer-1 blockchain Sei is now live on mainnet!
Stated to be a staggering 10 times faster than Solana, the network accomplishes transaction finality in just 250 milliseconds.
Trading of the blockchain's native token (SEI) has started on different centralized exchanges, and it's now valued at approximately $0.19.
There's also news of an airdrop, but claiming will be permitted only after the "initial warm-up period."
The time frame for this warm-up has not yet been revealed. 
New Chain Development Kit from Polygon
Polygon Labs has launched its Chain Development Kit (CDK), a software tool designed to help developers create Ethereum Layer 2 chains powered by zero-knowledge proofs.
The toolkit will support an "Interop Layer," a new protocol that aggregates zero-knowledge proofs from multiple Polygon chains and secures them on the Ethereum mainnet.
This move aligns with Polygon's shift towards creating more interconnected chains, similar to ecosystems like Cosmos and Polkadot. Mantle DAO and FTX holdings: A critical decision
Currently, Mantle DAO is evaluating a proposal that would prohibit the conversion of BIT tokens held by FTX Group into the new MNT token. Previously, Alameda Research, a branch of the FTX Group, swapped 3.4 million FTT tokens for a staggering 100 million BIT tokens, which equated to around $43 million. Yet FTX's descent into bankruptcy prompted DAO members to introduce this proposal. MNT is a token that was launched as Mantle's L2 mainnet went live. The blockchain was established by the Bybit exchange, which initiated the merge of BIT (BitDAO) and MNT tokens. Controversies aside, there's robust support for this proposal within the Mantle enclave, spotlighting the overarching investor community's interests. What's up with Base?
The TVL of Coinbase's blockchain has surged to $146 million following its mainnet launch, surpassing StarkNet's TVL of $112 million.
What's particularly striking is that roughly 87% of Base's TVL is held in ETH.
However, the network's throughput still has room for improvement, with its TPS standing at roughly 5.81.
For comparison, here are the TPS figures of other L2 solutions:
Optimism — 6.88
Arbitrum One — 7.26
zkSync Er — 10.72