In a market that's currently less dynamic, one thing remains crystal clear: the unwavering resilience of crypto and its increasing adoption by institutional players. Simultaneously, Ethereum's core developers are diligently working on the highly-anticipated Dencun upgrade.

On Etherscan's end, we have launched a mobile app for Blockscan Chat and multichain charts on Blockscan.

In this issue, our guest post explores chain relationships and suggests design adaptations for block explorers in the growing multichain landscape. The quiz tests your knowledge on Etherscan's Advanced Filter. Answer it for a chance to win $10 in ETH.

Superchain Circuitry

Reflecting on Base's Onchain Summer festival, we explore:

• Deviations in Base activity compared to Ethereum
• The role of an L2 in Ethereum
• Insights into Superchain Circuitry and Explorers

FEATURE

Blockscan Chat Mobile App

Easily chat with Web3 addresses via wallet-to-wallet messaging, all in one mobile app!

FEATURE

Multichain Charts on Blockscan

Explore charts comparing onchain data across multiple chains tracked by Etherscan.

PayPal Launches U.S. Dollar Stablecoin PYUSD

PYUSD is issued by Paxos on Ethereum for seamless integration with the ecosystem. Community shows mixed reactions.

newsroom.paypal-corp.com

Coinbase Launches Ethereum L2 Base Mainnet

Over 60 million BRIDGETOBASE NFTs minted as activity soars past Arbitrum and Optimism amid the Friend.tech frenzy.

twitter.com/BuildOnBase

Balancer Warns Of Vulnerability In Some V2 Pools

The warning sees over $200M TVL withdrawn with 99%+ liquidity deemed safe, with exploit totaling ~$1M. Team praised for excellent communication.

twitter.com/Balancer

Uniswap Deemed Not Liable For Token Scam Losses

The DEX was accused of securities law violations, and the judge's decision showcased a profound understanding of the DeFi landscape.

twitter.com/haydenzadams

10 Ideas To Build In Crypto

Brian Armstrong lists 10 exciting and critical things to start building in crypto, which are essential for galvanizing the next generation of crypto startups.

twitter.com/brian_armstrong

Multisafe

Clone or deploy a safe on multiple chains and keep the same address. Customize address and add signers via ENS when deploying a new safe.

twitter.com/smoldapp

Ethereum Execution Layer Specification (EELS)

A Python reference for the execution layer, up-to-date with mainnet, fills and executes state tests, with complete snapshots of the protocol at each fork.

twitter.com/_samwilsn_

The KZG Ceremony Concluded

It garnered a total of 141,416 contributions, by far the largest ceremony ever. Learn more about the KZG ceremony here.

twitter.com/carlbeek

Holesky Public Testnet To Launch On September 15

Holesky will replace Goerli testnet with 1,460,000 validators at genesis. 497,596 accounts on Holesky were funded with 1,000 Ether.

twitter.com/BarnabasBusa

Transaction: Tricking A Copycat Bot

NFT trader detected a copycat bot, inflated his bids on NFTs in a separate wallet, then swiftly accepted the bot's bids, pocketing an 800 ETH profit.

Address: GasliteDrop Contract

The smart contract facilitates airdrops for ETH, ERC-20 and ERC-721 tokens while prioritizing gas efficiency. The dapp will be live soon.

Questions received last month:

How can I find a testnet implementation of the Uniswap V3 contract?
Copy the address of the Uniswap V3 contract, paste it into the Similar Contract Search, select 'Similar' under Similarity, and check "Search Multiple Chains" to find similar contract implementations on testnets.

How do I send an Input Data Message (IDM)?
Simply go to the IDM page, select 'Send IDM,' connect your preferred wallet, specify the recipient's address, and type in your message. There's no need to fiddle with text-to-hex decoding tools.

Confused with some terms in this newsletter?
Remember to check the Etherscan glossary!

Check transaction sizes in bytes from Get Raw Tx Hex
Navigate to the "Get Raw Tx Hex" option on any transaction page, divide the length of the raw tx hex by 2, and you'll obtain the size in bytes. This is helpful for identifying transactions with significant onchain data storage.

Looking for a job in crypto? Check out these roles below:

Senior Backend Engineer / Tech Lead (TypeScript) at Nomic Foundation

Senior Smart Contract Engineer at Gains Network

Senior Frontend Engineer at Gains Network

Web3 DeFi Native Researcher at HL Capital | Remote

POLL

Quiz: Advanced Filter

Answer this quiz on Advanced Filter and stand a chance to win $10 in ETH!