Bitcoin is The Worst Cryptocurrency For The Environment, Stellar is the Best One —Research Says

Cryptocurrency mining and environmentalism did not usually go hand in hand in conversations about the development of the blockchain industry, but one tweet from Tesla CEO Elon Musk was enough for the crypto community to start worrying about what Bitcoin and Proof-of-work miners are doing to the planet.

An investigation by Forexsuggest studied several cryptocurrencies and measured how polluting they are, calculating the estimated carbon emissions and the amount of resources that would be needed to counteract their effects.

As they explain in the report, they took data from Statista, Business Insider India, Laptop Mag, and other sources. Upon compilation, they computed the carbon emissions and the growth rate of such emissions.

Bitcoin, Ethereum and Bitcoin Cash: The Worst Cryptocurrencies For The Enviroment

As expected, Bitcoin and Ethereum are the two most polluting networks for the planet. They concentrate the most hash power too.

In 2021 alone, Bitcoin has emitted about 56.8 million tons of CO2, over two and a half times as much as Etherum. Such is the environmental impact that, according to company estimates, it would take about 284.1 million trees to neutralize all the polluting gas emitted by BTC miners.


Ethereum, for its part, is much less polluting, but its performance is far from healthy: Ethereum miners have generated 22 million tons of CO2 so far this year, requiring almost 110 million new trees to counteract its effects.

For its part, Bitcoin Cash, a Bitcoin fork born in 2017 with the goal of mining for larger blocks (resulting by consequence in an even more polluting network), ranks third on the list with just 1.5 million tons of CO2. However, it is the network with the highest year-on-year growth in emissions, increasing the amount of polluting gases by 748%.

Chart of cryptocurrencies with the most increase in pollution levels. Bitcoin Cash is first. Image: Forexsuggest
Chart of cryptocurrencies with the most increase in pollution levels. Bitcoin Cash is first. Image: Forexsuggest

The study reveals that Bitcoin mining has lowered its pollution levels by 5%, probably after miners moved away from China and its thermoelectric power, relocating to countries with greener energy sources, such as the United States.

The Most Environment Friendly Cryptocurrencies in 2021

But the cryptocurrency industry also has its green alternatives. Although unfortunately, they are less popular tokens when compared to the more energy-intensive cryptocurrencies.

The third place in this prestigious list is occupied by Nano. This cryptocurrency does not use mining and is not based on a blockchain but on block-lattice technology. Nano can process about 125 TPS requiring just 0.000112 kWh per transaction, which is minimal in terms of CO2 emissions.

The second most efficient coin is IOTA, another network that does not use blockchain but a directed acyclic graph technology with a probabilistic consensus mechanism. It requires about 0.00011 kWh per transaction.

According to the research, the most environmentally-friendly cryptocurrency is Stellar, a competitor to Ripple that requires just 0.00003KWh per transaction, which is barely a third of what IOTA requires.

Stellar needs 0.00072 oz of CO2 per transaction. Which is almost nothing when compared to Bitcoin’s 1,060.5 lbs per transaction.


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Lumenswap: Guide to the Decentralized Exchange on Stellar

[Featured Content]

The concept of decentralized exchanges and automated market makers (AMMs) grew in popularity in the past couple of years.

A DEX brings forward plenty of exchanges, and the lack of counterparties is undoubtedly amongst them. With this in mind, Lumenswap brings forward an open-source client for the Stellar network, geared towards allowing users to swap and trade assets using a minimal and yet user-friendly interface.

In this guide, we take a closer look at Lumenswap and its features while also walking you through the process of how to use the platform.

What is Lumenswap

Lumenswap is a platform that provides quite a few products under a single roof. It boasts an order book-based marketplace that enables users to select different pairs and trade different assets on the Stellar network.

The entire market is based on the AMM model, where users can provide liquidity and receive fees in return. They are also able to exchange their assets at the best available rates.

Lumenswap uses Horizon, which makes it possible to choose the best rates for a trade based on the current liquidity rates, as well as the submitted order books on the network. The costs are low, while the transactions are quick.

The platform is also open and decentralized, where all the assets available on the Stellar network are also available on Lumenswap.

How to Swap Tokens on Lumenswap?

Now, it’s worth noting that before you can do anything on Lumenswap, you need to create a Stellar-compatible cryptocurrency wallet.

These are the wallets that are currently supported by the exchange:


For the sake of this guide, we’ve created a Rabet wallet and connected it with Lumenswap. It’s fairly straightforward and takes a few steps to do.

Once you have your wallet created and you’ve transferred some funds to it, you can start using the DEX. There are two options from here – you can either use the SWAP exchange to directly trade various cryptocurrencies, or you can use the OBM (order book-based marketplace), where you can even set limit orders. Let’s have a look at both.

How to SWAP Tokens Directly

To do so, you need to go to the OBM app on the homepage and then select “Swap” in the top left corner. This is the screen you will see after you have connected your wallet to the exchange:


From here, you need to select the token you want to swap (in the top field) and the token you want to swap it for (in the second field). Keep in mind that you can add custom tokens as long as they are on the Stellar network by clicking on the “Select an asset” button and putting its code in the relevant field.

Below that, there are a few details you should pay attention to. Namely, these are the:

  • Minimum received field
  • Price Impact field
  • Slippage tolerance
  • Path

Lumenswap has done a great job explaining all of them in detail, and the information can be found here.

Once you’re happy with your specified trade, you need to hit Swap, and your wallet will display a confirmation screen.


Once this is done, all you need to do is wait for the transaction to be confirmed.

How to Use a Limit Order

This is another handy tool if you want to better strategize and tailor your trading strategies. To use this function, you need to hit on “Spot” instead of “Swap” in the OBM app.


This is the screen you will see (note that it resembles that of a traditional exchange):

Once again, you need to connect your wallet.

After this, you can create a simple limit order by selecting the price at which you want to buy and the quantity. Once you’re happy with the specifications, you will have to confirm the transaction from your wallet, as shown above.

It’s also important to note that you can create custom trading pairs from assets supported by the Stellar Network by clicking the trading pair name in the top left corner. After that, all you need to do is click “add custom pair” and fill out the details as shown below:


The LSP Token

LSP is the token that underpins the ecosystem of Lumenswap – it’s a reward and governance asset with a big role in the project’s essence. It has a total fixed supply of 1,000,000,000 LSP which will be vested over the course of 10 years.

This is how the asset allocation pie chart looks like:


The token itself has plenty of use cases, some of which are broadly explained below, including:

  • Rewards for LSP Holders
  • Rewards for LSP Traders
  • Governance

Lumenswap Academy

One of the biggest barriers to entry for many people to the world of cryptocurrency is education. People simply don’t understand a lot of what’s going on, and concepts such as automated market makers, non-fungible tokens, decentralized exchange protocols, and whatnot are just way over their heads. And that’s completely understandable.

Lumenswap aims to bridge this gap in education by providing a detailed Academy section. It’s an article-based online academy where users can teach everything there is to know about blockchain-based technology.

The focus, of course, is on the Stellar blockchain, and the content found there is written in a way that’s relatively easy to understand even by people without a lot of technical knowledge or background.

The below is a snapshot of the academy and what type of educational content you might want to expect from it:


Lumenswap Lottery

The lottery is something that we don’t usually see in a lot of other decentralized exchanges and automated market makers.

While it may look like it operates like any other traditional lottery, it’s important to note that everything happens on a distributed network that keeps immutable records. This is quite critical when it comes to verifiability and provable fairness of the results – something that anyone can check for themselves.

Participation in the lottery is pretty standard – users just need to buy tickets using the LSP token, and the transaction has serves as the ticket ID. According to the official documentation, Lumenswap sets ticket prices independently for each round and introduces them in a Round Introduction article. Anyone can purchase as many tickets as they want.

It’s also worth noting that the address to which the LSP is sent is the contract address, meaning that all pooled LSP will be removed from circulation – this effectively creates a token-burning mechanism.

Users can find the current active lottery from the lottery board and learn all the details there:


Lumenswap Reward

The platform also incentivizes its users through a comprehensive reward mechanism that can be tracked within an easy-to-use dashboard that looks like this:


There are multiple ways where users can earn rewards through Lumenswap. The first one is to hold the native token – LSP. The duration of the program is six years, and 144,000,000 LSP tokens will be distributed to holders through that period. To be eligible, users need to hold more than 10,000 LSP in their wallets.

The second way is through the trader reward program, which will also last for six years and will distribute 90,000,000 LSP to people whose trades exceed 10,000 LSP in LSP/XLM and LSP/USDC pairs.

There’s also a liquidity-providing program that will distribute 166,000,000 LSP in six years to people who add more than 1,000 LSP to the LSP/XLM or LSP/USDC pools.

What Else is Coming: The Roadmap

Despite having rolled out quite a few products already, the roadmap of Lumenswap also seems packed with upcoming releases. Detailed information about it can be found here.

Some of the upcoming milestones which are planned for 2022 include the designing and implementation of the bridge that will cross-connect Stellar and other blockchains, designing and implementing the Lumenswap lending protocol, and so forth.

Customer Support, Team, and Security

First things first, this is a decentralized exchange. Hence, it’s a bit different in terms of customer support compared to conventional centralized exchanges as a lot of the things happen on the Stellar network itself, where Lumenswap works more or less as a front-end. There is a contact form, though, and users are able to send emails with their questions directly to the team.

Speaking of the team, the members have also been doxxed. The information about them, as well as means of getting in touch, are provided on the official website. The CEO and Co-Founder of the project is Vladimir Kholodenko, and the CTO is Ali Movahedi. His GitLab can be found here, although his profile is private and has no followers. Other members include Mojtaba Mousavi, John Mountford, and so forth.

In regard to security, it’s important to note that decentralized exchange protocols are a bit different than centralized ones, and there’s always a non-zero chance of failure when it comes to the protocol itself. This shouldn’t be a problem when it comes to swapping tokens as no value is kept in the platform, but if you’re providing liquidity – it’s a risk that needs to be considered, but it’s also one that all protocols share to a certain degree. We reached out to the team to understand if the code has been audited. Commenting on the matter was the CEO, who said:

The structure of the Stellar network is different from that of smart contact networks. We used operations to build products, so there is no need for auditing.


Lumenswap seems like a comprehensive and easy-to-use decentralized exchange that’s managed to integrate a lot of helpful and useful features such as order book-based capabilities.

The interface is intuitive, and it falls in line with the design that the most popular DEX platforms are doing, making it quite recognizable.

It’s important to mention that there are a lot of developments that are undergoing, and the team must make good on its word and bring them to fruition.


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Stellar partners tap USDC for remittances between Europe and Africa

The Stellar Development Foundation (SDF) has announced that it will facilitate a new remittance channel between Europe and Africa using the USD Coin (USDC) stablecoin.

On Monday, the SDF announced that global payments technology company Flutterwave will use the USD Coin (USDC) stablecoin on the Stellar network to simplify remittances between Africa and Europe.

Flutterwave will work alongside Stellar’s principal European Union payments partner, Paris-based money transfer operator, Tempo Payments.

Olugbenga Agboola, CEO at Flutterwave, commented that it is more expensive to send money to sub-Saharan Africa than to any other region in the world. He added that the new partnership will help to expand the network and “bring all-important, cost-effective money transfer services to African business owners.”

Flutterwave claims to have processed more than 140 million transactions worth over $9 billion to date, serving over 290,000 businesses, including Uber, and Facebook. The firm already has an infrastructure in more than 33 African countries, including Nigeria, Rwanda, Uganda, Kenya and South Africa.

The SDF has been targeting Africa for roughly one year, with the foundation teaming up with East African payments firm ClickPesa in November 2020. ClickPesa provides on- and off-ramps to the banking systems of Tanzania, Kenya and Rwanda.

Stellar and its partners face stiff competition as there are already several payments companies operating in Africa, including WorldRemit, Azimo, Transferwise, Payoneer and Xoom.

Africa has become a key market for payments companies because much of the population remains unbanked. However, remittances have fallen during pandemic-induced lockdowns, with reporting a 28% drop in remittances to Nigeria last year.

The outlet also predicted that more transfers will be made in cryptocurrencies by 2025, adding that digital assets are likely to penetrate Africa’s remittance market despite the exclusionary policies of local governments.

Related: Crypto in Africa: Opportunities and challenges, explained

In February, Stellar announced that it had integrated Circle’s USDC stablecoin. USD Coin has seen monumental growth in 2021, with its market cap surging 733% since the beginning of the year to tag $32.5 billion.

Stellar’s native token, XLM, has gained 2.2% over the past 24 hours to trade at $0.386, according to CoinGecko. However, XLM is still down 56% from its January 2018 all-time high of $0.875.