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Ethereum co-founder Vitalik Buterin has introduced a new roadmap intended to improve the security and finality of Ethereum’s Layer 2 (L2) rollup solutions. This proposal seeks to address current challenges related to achieving both high scalability and user trust within the broader Ethereum ecosystem. The core plan centers on using a novel “2-of-3 proof system.” This approach combines three distinct types of transaction validation mechanisms simultaneously. These mechanisms would include zero-knowledge (ZK) proofs, standard optimistic proofs, and proofs generated within trusted execution environments (TEEs). ZK proofs provide a cryptographic assurance of transaction validity without revealing underlying data. Optimistic proofs, conversely, assume submitted L2 transactions are valid by default but incorporate a challenge period allowing independent verifiers to dispute potentially fraudulent activities. TEEs utilize specialized secure hardware enclaves to execute code privately and safely, offering another form of verification. Within this proposed multi-proof system, L2 transactions would achieve finality on Ethereum only when at least two of these three different proof mechanisms concur on the outcome. This design reduces reliance on any single proof system’s security assumptions and theoretically enhances overall rollup security guarantees for users. Related: Vitalik Buterin: Fund “Valuable” Open Source Projects, Not Just “Public Goods” Buterin’s roadmap outlines criteria for advancing to Stage 2 rollups, where the goal is to provide near-instant transaction confirmations, high finality, and strong failure resistance, even in semi-trusted environments. Per the proposal, Stage 2 rollups would still adhere to Ethereum’s standard 30-day upgrade delay mechanism. This delay helps maintain overall network stability and security during major software transitions. In addition, the plan addresses Ethereum’s scaling challenges, with upgrades like Pectra and Fusaka set to increase data availability, potentially enabling rollups to handle up to 72 blobs for faster, cheaper transactions. As Ethereum’s L2 solutions mature, achieving faster finality and increased trust is of utmost importance for scalability and user confidence. As such, Buterin’s proposed strategy would increase security but also align with Ethereum’s commitment to decentralization and trust minimization. Furthermore, Buterin advocates for a shift from public goods funding to open-source funding within the crypto community. He argues that the term ‘public good’ is susceptible to social biases, often prioritizing perception over actual impact. Buterin believes that by focusing on open-source funding, the emphasis shifts to transparency and supporting projects that deliver tangible benefits to the ecosystem. Related: Vitalik Buterin’s Six-Month Roadmap for Ethereum: Faster, Fairer, and With AI All things considered, this could be great news for Ethereum as its infrastructure would be strengthened and the transaction efficiency would get a boost. Also, if this turns out to be a big success, it will likely promote sustainable development practices within the blockchain community. Disclaimer: The information presented in this article is for informational and educational purposes only. The article does not constitute financial advice or advice of any kind. Coin Edition is not responsible for any losses incurred as a result of the utilization of content, products, or services mentioned. Readers are advised to exercise caution before taking any action related to the company.

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The tourism industry is undergoing a significant transformation, driven by the need for sustainable and eco-friendly practices. As travelers become increasingly aware of the environmental and social impact of their vacations, the demand for sustainable tourism is growing. In this article, we'll explore the future of sustainable tourism, highlighting the benefits, challenges, and opportunities of eco-friendly practices in the industry. # Benefits of Sustainable Tourism The benefits of sustainable tourism are numerous, including: 1. *Environmental Conservation*: Sustainable tourism practices, such as reducing energy consumption and waste, can help conserve natural resources and protect the environment. 2. *Cultural Preservation*: Sustainable tourism can help preserve local cultures and traditions, promoting cross-cultural understanding and exchange. 3. *Economic Benefits*: Sustainable tourism can generate income and create jobs for local communities, contributing to their economic development. 4. *Improved Traveler Experience*: Sustainable tourism can provide travelers with a more authentic and enriching experience, allowing them to connect with local cultures and environments. # Challenges Facing Sustainable Tourism Despite the benefits of sustainable tourism, there are several challenges facing the industry, including: 1. *Lack of Standardization*: The lack of standardization in sustainable tourism practices can make it difficult for travelers to identify eco-friendly options. 2. *High Costs*: Sustainable tourism practices can be more expensive to implement, which can be a barrier for small businesses and local communities. 3. *Limited Infrastructure*: In some destinations, limited infrastructure can make it difficult to implement sustainable tourism practices, such as recycling and waste management. 4. *Consumer Awareness*: Many travelers are not aware of the environmental and social impact of their vacations, which can make it difficult to promote sustainable tourism practices. # Opportunities for Sustainable Tourism The opportunities for sustainable tourism are significant, with potential developments in: 1. *Eco-Tourism*: Eco-tourism, which focuses on responsible travel to natural areas, can provide a unique and enriching experience for travelers while promoting environmental conservation. 2. *Sustainable Accommodations*: Sustainable accommodations, such as eco-lodges and environmentally-friendly hotels, can provide travelers with a comfortable and sustainable place to stay. 3. *Responsible Travel Practices*: Responsible travel practices, such as reducing energy consumption and respecting local cultures, can help minimize the negative impacts of tourism. 4. *Community-Based Tourism*: Community-based tourism, which involves local communities in the tourism development process, can provide economic benefits and promote cultural preservation. # Conclusion The future of sustainable tourism is bright, with a growing demand for eco-friendly practices and responsible travel. While challenges remain, the benefits of sustainable tourism are clear, and the industry is expected to continue to grow and evolve in the coming years. # Recommendations 1. *Develop Sustainable Tourism Standards*: Develop sustainable tourism standards and certification programs to help travelers identify eco-friendly options. 2. *Invest in Sustainable Infrastructure*: Invest in sustainable infrastructure, such as renewable energy systems and recycling facilities, to support the growth of sustainable tourism. 3. *Promote Responsible Travel Practices*: Promote responsible travel practices, such as reducing energy consumption and respecting local cultures, to help minimize the negative impacts of tourism. 4. *Support Community-Based Tourism*: Support community-based tourism initiatives, which involve local communities in the tourism development process, to provide economic benefits and promote cultural preservation. 5. *Encourage Consumer Awareness*: Encourage consumer awareness and education about the environmental and social impact of tourism, to promote sustainable tourism practices and responsible travel.

Crypto Fear & Greed Index stays unchanged at 34, remaining in ‘Fear’ zone The Crypto Fear & Greed Index, provided by software development platform Alternative, stands at 34 as of April 1, remaining unchanged from the previous day. The index stayed in the "Fear" zone. The index ranges from 0 to 100 where 0 signifies extreme fear and 100 indicates extreme greed in the crypto market. The fear and greed index takes into account six different factors: volatility (25%), market momentum/volume (25%), social media (15%), surveys (15%), Bitcoin dominance (10%) and Google Trends (10%).

Security firm ThreatFabric has discovered an Android malware called Crocodilus that targets cryptocurrency wallets by stealing seed phrases. The malware disguises itself as crypto-related apps and uses social engineering to trick users into backing up their keys, then exploits