Archive for the ‘Smart Contracts’ Category

Enhancing Smart Contract Security With SolidityScan and Blockscout Integration – Business

Blockchains empower transparency and innovation, but securing smart contracts within this ecosystem remains crucial. Verifying code for vulnerabilities is essential to ensure user trust, compliance, and the overall health of the blockchain ecosystem. Recognizing this critical need, Blockscout and SolidityScan by CredShield have announced a groundbreaking collaboration to elevate smart contract security.

Blockscout serves as a user-friendly platform for anyone to deploy, verify, and interact with smart contracts across various blockchains. This ease of use fosters the core principles of Web3 transparency and inclusivity. However, unvetted code can introduce security risks, such as vulnerabilities, exploitable code, or even malicious attempts to steal funds.

Statistics reveal a significant number of deployed contracts remain unaudited, leaving them susceptible to potential exploits. SolidityScan, a tool developed byCredShields, tackles this challenge by providing a free, AI-powered tool scanner for smart contracts. This tool analyzes code and identifies common vulnerabilities, raising awareness of potential risks for users.

Smart Contract Security Score in real-time

SolidityScanis an automated security tool for your smart contracts. It scans the code for vulnerabilities and weaknesses, using over 160+ vulnerability patterns to identify potential risks. This translates to a security score, displayed as a shield icon within Blockscout for verified contracts, where a higher score indicates a lower risk profile.

Clicking the shield dives deeper, providing a comprehensive report with the vulnerability count & criticality levels. This report also analyzes individual functions, upgradeability features, and ownership structure, and even assigns an overall threat score.

SolidityScan: A Web3 Developers Essential Tool

SolidityScan integrates seamlessly with Blockscout, empowering developers to identify and rectify potential security issues early in the development cycle. Contracts can be deployed on various testnets supported by SolidityScan, allowing developers to pinpoint and address vulnerabilities before a contract goes live on the mainnet. SolidityScan offers comprehensive support for major blockchain mainnets and testnets, including Ethereum, Ethereum Classic, Arbitrum,Avalanche, Optimism, Polygon, Base, Gnosis,Neon,Rootstock,zkSync,Fuse,Shimmer,Lightlink,Shibarium,and many more.

Conclusion: A Collaborative Approach to a Secure Future

SolidityScan offers a beneficialfree scannerfor enabling continuous security for Solidity developers, but it should not be regarded as a replacement for a comprehensive manual security audit. For comprehensive end-to-end security assurance, CredShields, the parent organization behind SolidityScan, provides a wide range of services and has conducted over 150security audits.

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Top 15 Use Cases of Blockchain in the Real World, 2024 – Analytics Insight

The year 2024 is witnessing a surge in the exploration and implementation of blockchain in the real world. Blockchain is not an idea anymore, already many industries are altered by blockchain and it is changing the future of many industries. In this article, lets look into 15 use cases of blockchain that are making headlines and showing off the many different uses of blockchain.

In the automotive industry, blockchain is revolutionizing supply chain management.

In philanthropy, blockchain makes donations more transparent and accountable, ensuring that they are used as they were intended.

By lowering fraud, improving remote voting safety, and ensuring election integrity the political processes are enhanced by the blockchain.

Using blockchain technology, the DeFi sector challenges the established financial system by offering decentralized lending, investing, and financing options that make money more accessible to everybody.

The storage, verification, and sharing of academic credentials and accomplishments are being revolutionized by blockchain technology.

Blockchain minimizes the danger to consumer health and eliminates waste in food safety events by swiftly locating and removing the source of contamination.

Blockchain is improving healthcare systems and patient outcomes by protecting confidential information, facilitating efficient data flow, and enhancing the accuracy of medical records.

Blockchain creates immutable digital identities that give users control over their information and permission to share.

Blockchains smart contracts can also automate royalty payments. This means creators will be compensated fairly and ownership conflicts will be reduced, creating a more vibrant creative economy.

Blockchain allows for new ways of consuming content, allowing for closer, personalized connections between creators and consumers.

Blockchain enables people with renewable energy systems to sell excess power directly to end-users, bypassing traditional power networks.

In real estate, blockchain promises to streamline and protect real estate transactions with a transparent, unchangeable property record ledger (PRL).

Blockchain adds value to brick-and-mortar and e-commerce by enabling token-based loyalty schemes and transparent product traceability that verifies authenticity and ethical sourcing.

To streamline sales processes in real estate smart contracts through blockchain are enabled. Through initiating payments or transactions after acquiring the commodities, efficiency in supply chains is leveraged by smart contracts.

Blockchain is revolutionizing supply chain management by providing transparency in supply chain management is allowed by blockchain. For every transaction and every product movement single and unchangeable record is allowed by blockchain.

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Top 15 Use Cases of Blockchain in the Real World, 2024 - Analytics Insight

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exSat Unveiled: Pioneering the Future of Bitcoin Scalability and Interoperability with Layer 2 Solutions – FinanceFeeds

In the dynamic world of digital currencies, Bitcoin (BTC) stands as a pioneering force, embodying the revolutionary idea of decentralized finance.

Since its inception, Bitcoin has not only paved the way for the cryptocurrency movement but has also maintained its position as the cornerstone of this ever-evolving sector. Despite its monumental success and widespread adoption, Bitcoins journey has encountered roadblocks, particularly when it comes to scalability and interoperability. These challenges have underscored the need for innovative solutions that can propel Bitcoin into the next era of digital finance without compromising its core principles.

Ethereum emerged as a formidable player in the cryptocurrency arena, introducing the world to smart contracts and thereby unlocking a new realm of possibilities for decentralized applications. Its success in fostering Layer 2 solutions highlighted the potential for scalability and efficiency, setting a new standard in the blockchain community. However, Bitcoins unique architectural design and its commitment to security and decentralization posed significant challenges in adopting similar advancements directly.

Enter exSat, a revolutionary Docking Layer designed to bridge the gap between Bitcoins foundational protocol and the cutting-edge world of Layer 2 scaling solutions. This innovation aims to enhance Bitcoins ecosystem by addressing its scalability and interoperability challenges head-on, ensuring that Bitcoin remains at the forefront of the digital currency revolution.

The Pressing Need for Scaling Bitcoin

Bitcoins secure and innovative architecture has been its hallmark, ensuring the integrity and reliability of its network. However, this architecture inherently limits its scalability and the execution of complex smart contracts, which have become increasingly important in the blockchain space. The reliance on off-chain solutions and intermediaries to address these limitations has introduced potential risks related to centralization and security, deviating from Bitcoins original vision of a decentralized financial system.

Moreover, the complexity of managing and enforcing state transitions on the Bitcoin blockchain has often led to compromised security and functionality. The fragmentation of asset formats across various scaling solutions further exacerbates these issues, hindering seamless interoperability and leading to the risk of liquidity dispersion. These challenges underscore the critical need for a groundbreaking solution that can enhance Bitcoins scalability and functionality without undermining its core values of security and decentralization.

exSat: Bridging Bitcoin with Layer 2 Innovations

exSat emerges as a beacon of innovation, offering a comprehensive Docking Layer that encapsulates a suite of protocols and mechanisms designed to extend Bitcoins data consensus. This platform facilitates a seamless flow of assets and information across diverse networks and Layer 2 scaling solutions, enhancing the Bitcoin ecosystems interoperability, scalability, and security.

Data Consensus Extension Protocol

At the heart of exSats innovation is the Data Consensus Extension Protocol, which employs a hybrid consensus mechanism combining Proof of Work (PoW), Proof of Stake (PoS), and Delegated Proof of Stake (DPoS). This multifaceted approach ensures a secure and efficient extension of Bitcoins functionalities, enabling the synchronization of block data between Bitcoin miners and the exSat network. By leveraging EOS RAM, the protocol provides quick access and low-latency storage for decentralized state data indexing of Bitcoin ordinals and other ecosystem assets. This integration offers full Ethereum Virtual Machine (EVM) compatibility, allowing developers to craft complex smart contracts with reduced gas fees, thereby significantly enhancing the Bitcoin ecosystems scalability and utility.

Decentralized State Data Indexing

A pivotal feature of exSat is its capability for decentralized state data indexing for native assets, enabling efficient querying and bolstering interoperability within the Bitcoin ecosystem. This advancement facilitates true on-chain decentralized trust, supporting smart contracts with EVM compatibility and ensuring a more versatile and robust Bitcoin network.

Smart Contract Platform Integration

By integrating a smart contract platform, exSat addresses one of Bitcoins most significant limitations, offering a scalable solution to enhance the Bitcoin ecosystems functionality. This platform is fully compatible with EVM, allowing Solidity developers to create and deploy smart contracts with higher performance and lower gas fees. It supports transactions involving BTC Ordinals, ETH, and stablecoins, and introduces ZK Rollups based on the EVM platform, further expanding Bitcoins capabilities and applications.

The Backbone of exSat: Synchronizers and Validators

The integrity and functionality of exSat are underpinned by a network of synchronizers and validators. Synchronizers, which include BTC miners and mining pools, are crucial for bridging the gap between Bitcoin and exSat, ensuring the accurate and timely transfer of data. Validators play a vital role in verifying this data and maintaining the networks security, incentivized by $XSAT staking to participate and safeguard the ecosystem. This innovative system of synchronizers and validators establishes a secure, decentralized network that is resilient against malicious activities, further reinforcing Bitcoins foundational principles.

A New Chapter for Bitcoin

The introduction of exSat and its Data Consensus Extension Protocol represents a significant milestone in the evolution of Bitcoin, offering a solution that marries the original vision of decentralization with the advanced functionalities of Layer 2 scaling solutions. This union not only enhances Bitcoins scalability and interoperability but also opens up a plethora of opportunities for smart contract applications and beyond.

As exSat pioneers this innovative pathway, it marks the beginning of a new chapter in Bitcoins story, one that embraces the strengths of traditional blockchain technology while exploring the vast potential of modern innovations. In this new era, Bitcoin continues to lead the charge in the digital currency space, evolving to meet the demands of a rapidly changing world and reinforcing its position as a foundational pillar of the decentralized financial ecosystem.

In conclusion, exSat stands as a testament to the power of innovation and collaboration in the blockchain industry, offering a forward-thinking solution that bridges the gap between Bitcoin and Layer 2 scaling solutions. By addressing the challenges of scalability and interoperability head-on, exSat not only enhances the Bitcoin ecosystem but also sets the stage for a future where the core principles of Bitcoin and the expansive capabilities of Layer 2 solutions converge harmoniously. This pioneering effort promises to propel Bitcoin into a new realm of possibility, ensuring its relevance and utility in the years to come.

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exSat Unveiled: Pioneering the Future of Bitcoin Scalability and Interoperability with Layer 2 Solutions - FinanceFeeds

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ZkLink looks to solve Ethereum’s fragmented liquidity with a layer 3 but there are risks – DLNews

Layer 2 blockchains have helped scale Ethereum, bringing transaction costs down to cents compared to those on the main Ethereum network.

But despite their successes, layer 2s have created a new problem called liquidity fragmentation the splitting up of once-concentrated capital across multiple separate blockchains.

Liquidity fragmentation poses several problems. Smaller, unconnected pools of capital spurs volatility and means users get worse prices on their trades.

ZkLink is one project working to solve liquidity fragmentation on Ethereum.

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It has created a so-called layer 3 network zkLink Nova which is connected to eight Ethereum layer 2s. zkLink has launched MergeToken on Nova, which is a smart contract that consolidates assets bridged from layer 2s to Nova and of equivalent value into a single token.

Were setting the precedent for a practice that we hope more projects will adopt to make the web3 trading environment friendlier, said Vince Yang, CEO and co-founder of zkLink.

Before layer 2s, as well as other blockchains like Solana, Ethereum hosted the lions share of onchain activity, pushing the network to $102 billion worth of DeFi deposits in 2021.

But in recent years, onchain activity is increasingly moving to layer 2s separate networks built on top of Ethereum that offer faster and cheaper transactions. Much of Ethereums vast capital has jumped ship, flowing to layer 2s like Arbitrum, Optimism and Base, among others.

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MergeToken will initially merge versions of stablecoins USDC, USDT and DAI, followed by Wrapped Bitcoin and Ethereum liquid staking tokens in the future.

The hope is that by reunifying Ethereums scattered liquidity on its layer 3, zkLink can increase capital efficiency within the Ethereum ecosystem and provide a better user experience and trade prices.

But there are also risks.

In order to make zkLinks plan work, users must bridge their assets from other layer 2 blockchains to Nova, then lock them up in an upgradable smart contract controlled by a multi-signature wallet a crypto wallet that requires multiple password-like private keys to send transactions.

This system creates a big pool of assets that can become a lucrative target for hackers. In 2022, the Ronin crypto bridge, which also kept assets in a multi-signature wallet, was hacked for $624 million after the private keys that controlled it were compromised.

Yang told DL News there are 3 external vulnerabilities zkLink attempts to protect its users from: bridge contract risk, MergeToken smart contract risk and governance risk.

Both the bridge contract and the MergeToken contract lock up assets in single places like bank vaults filled with gold bars.

And like such bank vaults, which before the advent of digital money were all too often a target of thieves, these smart contracts that hold millions of dollars worth of crypto have also become lucrative targets.

Hackers have previously used social engineering techniques to steal the private keys that control smart contracts, while others have used code exploits to trick contracts into giving them their contents.

Yang said zkLinks contracts have been audited by its security partners, ABDK and Secure3.

He also said that the multi-signature wallet that controls the MergeToken smart contract is tied to a governance committee made up of multiple projects separate from zkLink.

A governance committee made up of 12 projects and institutions, including market maker Wintermute and venture capital firm Ascensive Assets, will oversee all current and future merger proposals.

ZkLink said upgrades to the MergeToken smart contract require a two-thirds vote from committee members. Upgrades will also be only executed after a seven-day timelock period, giving the committee and users time to review the changes to the contracts.

Certain tokens, such as Circles USDC stablecoin, are not always equal across different layer 2s. When a user sends USDC to Nova, it is represented as a different asset depending on which layer 2 blockchain it came from.

ZkLink Nova offers the same faster and cheaper transactions by using zero-knowledge proofs, the same technology that underpins layer 2s like zkSync and Starknet. But it also reunites liquidity split among several different versions of the same assets issued across the ever-growing list of layer 2s.

But the boons of reunifying liquidity are only accessible to those on Nova, Yang told DL News.

The MergeToken is a function unique to Nova and dApps built on Nova can access the aggregated liquidity pool, he said.

DeFi users will have to look to other projects, such as cross-chain bridge and messaging projects like Wormhole, Axelar and LayerZero to break down the barriers between separate blockchains once and for all.

But for now, zkLinks offers one of the first available solutions to liquidity fragmentation that users and developers can start playing around with.

Update, April 8: Added that upgrades to the MergeToken smart contract will only be executed after a seven-day timelock period, and clarified that zkLinks bridge contract and MergeToken contract lock up assets in different places.

Tim Craig is DL News Edinburgh-based DeFi Correspondent. Reach out to him with tips at tim@dlnews.com.

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1 in 6 new Base meme coins are scams, 91% have vulnerabilities – TradingView

Ever since the Dencun upgrade that dramatically lowered fees on Ethereum layer 2s, Coinbases not-very-decentralized rollup Base has surged in user numbers, transactions and total value locked.As with the fast and cheap L1 blockchain Solana, most of the activity is being fuelled by degenerate gambling on memecoins, with hopefuls vying to make life-changing amounts of money from a small outlay.

But an investigation by Magazine has found the vast majority of memecoins on the platform have security vulnerabilities that could expose users to big losses.

And almost one in five are deliberately malicious and use a variety of tricks to steal user funds.

Magazine compiled security profiles of 1,000 new Base tokens virtually all of them memecoins or scams launched between March 19 to 25. This is not a comprehensive audit, as there are more than 380,000 ERC-20 tokens on Base currently; however, it is a representative sample of 1,000 tokens launched that week.

The tokens were analyzed by automated auditors on the trading analytics platform DEXTools to determine whether each project has implemented three fundamental security measures: locked liquidity, verified contracts and absence of honeypots.

For the uninitiated, that means:

Locked liquidity in decentralized finance (DeFi) is when a portion of a cryptocurrencys trading pair is sealed by a smart contract. This directly addresses rug pull concerns.

A verified contract means that a projects smart contract is accessible for investors to review possible risks.

A honeypot is a type of scam that lures investors with high-profit potential but prevents them from selling.

According to the analysis, 908 projects, or 90.8% of the sampled tokens, failed at least one of these security conditions.

While some security flaws may indicate potential illicit activities, they are just as likely to reflect memecoin creators lack of knowledge about proper security procedures, especially if theyve launched a token as a joke or to troll the industry.

This scenario underscores the challenges faced by projects that may not have the resources to hire security experts or conduct independent assessments of their smart contracts, David Schwed, chief operating officer at security firm Halborn, tells Magazine. He adds that the fact many projects just copy and paste existing tokens means that flaws are replicated.

The tendency of these projects to be forks of existing projects or generated through AI means they often inherit vulnerabilities or introduce new ones.

17% of tokens on Base are outright crypto scams

But while inept founders bumbling their way through a launch explains the majority of issues, a disturbingly high proportion of tokens are outright scams.

According to the analysis, 16.9% of the projects are suspected of malicious intent through exaggerated sales taxes, or they are honeypots, a type of scam that includes conditions to prevent owners from selling tokens.

Possible honeypots were found in 121 projects. An additional 48 had sales tax as high as 100%, which is no different from outright theft.

Its worth noting that memecoin scams can take various forms, and automated auditors can mislabel some tokens or even miss some creative schemes.

Presale rug pulls have become a rising trend on the Solana network, and they are difficult to identify because they often rely on social engineering tactics and hype. Sometimes, a token presale is conducted for a project that doesnt even have a smart contract to be audited.

A recent study by Blockaid reportedly found that half of Solana presale tokens launched between November and February were malicious.

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Most common memecoin vulnerability on Base is a potential rug pull

The most common security vulnerability among the 1,000 projects analyzed was found in their liquidity pools.

Locked liquidity immediately prevents LP rug pulls and provides a level of confidence which I see as a basis for any project that has a desire to show themselves to be trustworthy and legitimate, Vesper, founder of MYSTCL on Base, tells Magazine.

Of the sampled tokens, 905 projects, or 90.5%, did not lock their liquidity, which makes them prone to rug pulls.

In decentralized exchanges, a token must be paired with a more established asset like Ether or stablecoins. Investors contribute to increasing the liquidity pools value by exchanging these established tokens for the new memecoin.

A rug pull is a type of scam where developers withdraw all of the ETH, stablecoins or other assets from the liquidity pool and abandon the project.

A direct countermeasure against rug pull risks is when developers lock their liquidity pools. This action serves as a code-enforced guarantee that they wont, and cant, access the liquidity pool. Sometimes, these promises have expiration dates.

Just because a project does not have locked liquidity doesnt automatically classify it as a rug waiting to be yanked.

According to Vesper, there could be reasonable explanations for liquidity being unlocked, such as migrating liquidity from one decentralized exchange (DEX) to another.

In such cases, projects can have additional security layers to gain trust, such as having verified contracts.

Among the 905 projects without locked liquidity, 675 of them had verified contracts.

As for the other 230 tokens without locked liquidity or verified contracts, Vesper, who is also the lead developer of the projects he founded, says there is no legitimate reason a token would have an unverified contract.

DApps may protect their code for competitive reasons (with auditing being a must in this case) [but] tokens have no such valid reason to not verify their contract, Vesper says.

Coinbase provides a fairly boilerplate response to Magazines questions, pointing out that Base is permissionless.

While we do not endorse specific assets, we are supportive of builders entering the Base ecosystem, and we are continuing to focus on making on-chain technology more accessible with faster and cheaper transactions.

Memecoins pump Base DeFi to new highs

When Magazine compiled the security profiles of the 1,000 Base projects, there were around 1,300 new tokens in the seven-day period to March 25, according to trading data provider Birdeye.

But in the week to April 2, that number exploded to 4,000.

Throughout this period, new tokens launched on Solana maintained a constant weekly estimate of 19,000.

While Bases rise to memecoin stardom hasnt had much of an impact on the rate of new projects on Solana, volumes on DEXs tell a different story.

In the seven days to April 2, trading volumes in Solana DEXs dropped, with the top five falling by 20% to as high as 59.5%, according to DefiLlama.

Meanwhile, four of the top five Base DEXs had positive changes in trading volume, with Uniswap leading the charge with a 147% rise to $405.09 million.

On Solana, Uniswaps trading volume would rank second, behind Orcas $484.17 million.

The intangibles in fungibles

The recent memecoin pump has split the industry into two conflicting camps.

One side has been critical of memecoins popularity due to their lack of utility and high scam rates.

Security vulnerabilities in new memecoin projects reflect a broader trend that is generally observable across the memecoin ecosystem, Schwed says.

On the other side of the spectrum, some industry watchers cheer on the memecoin rally for onboarding new investors into the space.

You can poo-poo these things as stupid and valueless, but if it brings attention and more engineers to the space, its positive value for the chain itself, Arthur Hayes, co-founder of derivatives exchange BitMEX, told Real Vision CEO Raoul Pal in a recent interview.

Vesper says that his dev roots aligned him to the creation of utility but recently, he had a change of heart.

Ive come to realize that there are non-tangible energies that drive the crypto space as well, and that theyre just as much a part of it as blockchains and smart contracts.

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1 in 6 new Base meme coins are scams, 91% have vulnerabilities - TradingView

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