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♻️ VECHAIN: Green and sustainable crypto – Is this the way forward? ♻️
November 20, 2022
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Energy consumption has been a major source of criticism in the cryptocurrency business. Ethereum has finally deployed a huge network upgrade that dramatically transforms how the blockchain validates transactions, mints new currency, and secures its network.

This mechanism, known as proof-of-stake, has cut Ethereum energy use by more than 99 per cent. This sounds good. However, Bitcoin is unlikely to follow suit.

Is Bitcoin now green? No, but at least Bitcoin’s emissions of greenhouse gases are down than before. According to the Cambridge Bitcoin Electricity Consumption Index, Bitcoin’s greenhouse gas emissions decreased from 59 metric tons of carbon dioxide equivalent in October 2021 to 48.88 metric tons.

According to research released by Cambridge University’s Centre of Alternative Finance, Bitcoin is failing to go green, with the cryptocurrency recording only modest increases in its use of renewable energy in the year leading up to January.

Powerful computers connected to a worldwide network process Bitcoin transactions and “mine” new tokens in a competition to solve challenging mathematical puzzles. Policymakers, investors, and environmentalists concerned about the process’s impact on global warming criticise it for guzzling electricity and heavily relying on dirty fossil fuels like coal.

Green cryptocurrencies are those whose mining activities are powered by renewable energy sources.

Things are changing, and there are alternatives to make it “greener”

Solar

Currently, solar is said to as “the cheapest energy source.” Solar energy, which has the greatest pace of growth among all energy sources, presently provides three per cent of the world’s electricity while emitting no noise pollution and scaling up easily. Solar energy has global potential, in contrast to comparatively rare geothermal.

According to Bloomberg, a solar power company in South Africa pays investors with cryptocurrency. Sun Exchange allows investors to spend as little as US$4 on solar cells. Although the cost is lower than what would have been charged for electricity from the grid, the customers who receive the renewable energy nevertheless pay the price for a 20-year contract.

Sun Exchange gets a portion of the revenue to pay for installation and upkeep while also turning a profit. Investors are paid the balance. They can receive South African Rands or Bitcoin, with the latter enabling simple cross-border payments to the more than 35,000 participants thus far across 180 countries.

Biomass

Five per cent of US primary consumption, 10 per cent of global energy, and 1.4 per cent of Canada’s electrical production come from biomass. Most of this energy is used for industrial heating and other activities, which have considerable environmental benefits that include enhancing hygiene by reusing waste and lowering greenhouse gas emissions.

Utilising biodegradable materials as fuel for energy production is not out of place in the race for a sustainable Bitcoin mining business. When compared to solar, it might not offer a more significant arbitrage, but buying these energy choices from a position of strength remains the ideal.

Bitcoin Magazine reported that a Dallas, Texas-based hemp processor, Generation Hemp, sees more peer-to-peer in the future for cannabis than just passing around a pre-roll. They have unveiled plans to mine for cryptocurrency using cannabis as fuel.

Hydro

Compared to other renewable energy sources, hydropower has the best energy extraction (conversion) efficiency (up to 90 per cent), is the most dependable, and has the smallest carbon footprint.

Borgo d’Anaunia is a small municipality in the Trentino-Alto Adige area of northern Italy. The 37-year-old Daniele Graziadei became Italy’s first municipality to run a crypto data centre. Another illustration of the use of hydropower is this.

The need to be more green expands to other tokens too

VeChain is working on green initiatives to increase stakeholder involvement, such as the one agreed with the government of San Marino, or to deliver the future of safe and traceable food. According to the project’s current estimating models, VeChain generates 4.58 metric tons of carbon emissions, which is equivalent to the emissions generated by mining a single BTC.

FRZ Solar System (FRZSS) was created to combat the energy issue using blockchain technologies and web innovations. Given that solar energy is limitless, renewable, endless, pollution-free, and inexpensive, the FRZSS intends to popularise solar power plants as the primary power source. The team has also been working with other companies to reduce the cost of electricity generation.

Tezos is a green energy crypto blockchain similar to Ethereum in that it supports smart contracts and can be used to mint NFTs. The low carbon footprint of Tezos means developers and users can prioritise innovation without compromising sustainability. They have increased energy efficiency per-transaction basis by at least 70 per cent.

IMPT is a blockchain-based technology that allows individuals and businesses to swiftly and safely reduce their carbon footprint. Customers can earn carbon credits while buying online. They could even buy them directly from the platform. Furthermore, IMPT should tokenise carbon credits so users can purchase them as NFTs. The NFTs are then recorded into a decentralised ledger that users view to give traceability and transparency.

Back to Bitcoin

The large carbon footprint associated with Bitcoin mining appears to be at odds with any environmental objectives. The demand that limited electricity is used for the real economy and not for Bitcoin mining is justified in light of escalating energy prices and shortages.

Creating new strategies for the most efficient utilisation of resources is necessary. Bitcoin mining has the potential to hasten the global energy transition by serving as a backup energy buyer for the excess power balance.

Additionally, energy power plants constructed with the intention of mining Bitcoin can generate a higher profit than those built to sell the electricity at market rates, mainly when constructed in remote areas with easy access to renewable energy sources but no infrastructure for integrating them into the grid. Plant owners might use these revenues to fund additional clean energy initiatives that support ESG objectives and the world’s increasing demand for electricity.

But for these projects to be successful, Bitcoin generation and the associated value chains would need to be held to a very high standard of accountability and measurability.

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Technical Breakthroughs Drive Performance

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The Road Forward

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Source: The Dinarian ⚡ Claude AI

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The Stellar Development Foundation (SDF) is deeply committed to helping ensure that the highest security standards are available for projects building on the Stellar network. Last year SDF launched the Soroban Security Audit Bank, an initiative to provide projects access to auditing experts and tooling that are proven to help prevent hacks by catching potential bugs, inefficiencies, and security flaws before contracts go live. Through the Soroban Security Audit Bank, we’re empowering teams building on Soroban with comprehensive security audits from leading audit firms, enhanced readiness support, and robust tooling, significantly elevating the ecosystem’s safety and efficiency.

Since launch, the Soroban Security Audit Bank has successfully conducted over 40 essential audits, deploying over $3 million to support security of the smart contracts on Stellar. Check it out!

 

Ecosystem Success Stories: How the Soroban Audit Bank Drives Security Forward

By making automated formal verification available to developers, in addition to allocating significant budget for securing many of the top DeFi protocols built on top of Stellar, SDF has established a new security standard in the Web3 ecosystem. Mooly Sagiv, Co-Founder of Certora
SDF has been a strong partner as we’ve worked with teams across the Stellar ecosystem. SDF’s Audit Bank initiative allows for a smooth and streamlined review process, and is a clear reflection of the Stellar ecosystem’s enhanced commitment to security. Robert Chen, CEO of OtterSec
 

Leading projects within the Soroban ecosystem have highlighted the impact of the Audit Bank

Finding a good auditor is difficult, expensive, and high-stakes. The Audit Bank streamlines the process and supports ecosystem projects with security review at critical growth milestones. Markus Paulson, Co-Founder of Script3
The audit firms we worked with deeply understood the full ecosystem and the underlying protocols used. Their expertise and the tools from the Audit Bank strengthened our security and supported user and investor trust. Esteban Iglesias Manríquez, Co-Founder of Palta.Labs

What's New in 2025: Enhanced Audit Support for Soroban Builders

Teams building financial protocols, high-dependency data services, high-traction dApps funded by the Stellar Community Fund are able to request an audit and will typically be matched with a reputable audit firm within two weeks. We recently restructured the program for this year to enhance audit efficiency and incentivize accountability, and rapid and complete vulnerability remediation:

  • Complimentary Initial Audit: Projects will need to contribute 5% of the audit cost upfront, but this co-payment amount is eligible for a full refund, provided that critical, high, and medium vulnerabilities identified are swiftly remediated within 20 business days of receiving the initial audit report (learn more).
  • Incentivized Security at Key Traction Milestones: Complimentary, extensive follow-up audits are available as projects achieve critical traction milestones (e.g., $10M and $100M TVL). These audits include deeper assessments such as formal verification or competitive audits, significantly boosting project security at pivotal stages.
  • Advanced Security Tooling: Projects can enhance their security self-serve through complimentary or discounted access to specialized tooling, which provide vulnerability detection and formal verification capabilities (see full list of available tooling). These tools are encouraged to capture ‘easy-to-spot’ issues prior to audit as well as a final check post-audit to increase the effectiveness and thoroughness of audits.
  • Enhanced Audit Readiness Support: Projects receive structured preparation support, including the implementation of best practices and security standards based on the STRIDE threat modeling framework. This ensures project teams are thoroughly prepared, optimizing audit efficiency and minimizing delays.

Get Started Today

If you're already funded through the Stellar Community Fund, meet the criteria and ready to secure your smart contracts, check your email for an invitation to submit an audit request–if you haven’t received one, contact [email protected].

If you haven't built on Stellar yet, we encourage you to start your journey with the Stellar Community Fund to become eligible for future security audits and ecosystem support. For any broader questions on the program, contact [email protected].

Also, we’re organizing an exciting series of workshops–join us for the kick-off on Soroban Security Best Practices on Friday, May 30, 2025 at 2 PM ET on @StellarOrg. Together, we're shaping a secure and resilient future for smart contracts on Stellar.

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Santander mulls stablecoin, crypto offering

Bloomberg reported that Banco Santander is mulling introducing euro and dollar stablecoins, or potentially making a third party coin available to clients, citing sources. This move aligns with broader crypto ambitions, as its digital bank, Openbank, has reportedly applied for a European cryptocurrency license under the Mica Regulations and may enable retail access to digital assets.

Systemically important banks embrace stablecoins?

Major banks are now moving from observers to participants in this expanding market. Should Santander confirm plans to launch a stablecoin, it will be the fourth global systemically important bank (G-SIB) to do so. Societe Generale’s FORGE subsidiary launched the EURCV euro coin in 2023. Deutsche Bank is a partner in ALLUnity, another stablecoin initiative with plans to launch this year, subject to regulatory approval. And Standard Chartered is part of a joint venture in Hong Kong that intends to introduce a stablecoin.

Santander’s involvement could extend beyond an individual initiative. The bank is a shareholder in The Clearing House, where the Wall Street Journal reported that US banks are exploring the potential to create a joint stablecoin. If a US initiative took that route it could involve nine more G-SIBs including Bank of America, Barclays, BMO, BNY Mellon, Citi, HSBC, JP Morgan, TD Bank and Wells Fargo.

Apart from these initiatives, our research shows that more than 20 other banks have been involved in stablecoin projects.

Until recently stablecoins were mainly used to settle cryptocurrency transactions and by residents in countries with volatile domestic currencies. During the last year stablecoin infrastructure has been expanding, especially for mainstream cross border payments. Plus, President Trump issued an executive order prioritizing stablecoins. One of the administration’s motivations is this increases demand for US Treasuries, lowering the interest rate the government pays on the Treasury bills.

Santander as an early digital assets mover

Santander’s stablecoin consideration builds on years of blockchain experience. The bank was an early Ripple investor and previously used Ripple’s permissioned network for payments (not XRP), while also embracing permissionless blockchain activities including issuing a digital bond on Ethereum in 2019. This dual approach led to collaborations with other major players – alongside Societe Generale FORGE and Goldman Sachs, Santander participated in the European Investment Bank’s first digital bond, also on Ethereum. Currently, the bank’s most significant digital money initiative involves Fnality, the wholesale blockchain-based settlement network, where Santander ranks among 20 institutional backers and is part of the early adopter group alongside Lloyds Bank and UBS.

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If you find value in my content, consider showing your support via:

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