Blockchain and carsharing are changing the image of the cities. How modern technologies are bringing the traffic into the 21st century.

Maciej Zieliński

31 Mar 2020
Blockchain and carsharing are changing the image of the cities. How modern technologies are bringing the traffic into the 21st century.

There is over a billion of cars in the world. We are basically in love with them, even though they have brought many issues. Unfortunately they can't be ignored anymore, we need to face them. Perhaps technologies such as blockchain will help us bring the balance to the streets or even reduce the carbon footprint the cars create.


With the growing urbanisation rate the topic of the increasing issue of traffic has kept returning. The citizens of huge urban sprawls are most probably familiarised with many hour long traffic jams which complicate their lives with huge delays. The experts agree that the problem lies in the amount of the cars owned by people. Because the majority of them utilises the fossil fuels, they also contribute towards the climate change and the environmental pollution. However, despite all of the red flags, it may be impossible to find an alternative in the closest future. That’s why, the solutions which offer a reformation to the existing systems are so important.

As far as the reduction of air pollution goes, many see hope in the electric drive. However its current price makes it inaccessible to most consumers. 

It’s worth asking a question, however, if the majority of people really need to have a car of their own.


High costs of purchasing a car or its long-term renting and the need of a costly maintenance can become absurd when in reality the vehicle is used sparsely 
For many people, the solution to this predicament might be the carsharing, a practice which has recently growing in popularity. 

Such a solution might definitely change the nature of our perception towards the cars. If we are using rentable cars in moderation, they are much cheaper and practical than the ones we own. The consumers use them only if they are necessary. They do not need to suffer the costs of maintenance and car parking fees. Carsharing can allow the traffic to be reduced, reducing the amount of parked cars and cars entering the city centre. Thanks to the services such as the 4mobility, more and more people can additionally choose the electric car which is by far a better choice for the environment.

The potential of carsharing was noticed by the McKinsey report which priced the value of the global market of shared economy at 54 trillion dollars in 2016. It also estimated that this value shall be growing by 30% per year until year 2030. It is to no surprise that this topic was fetched by the start-ups and the global companies alike.


Carsharing and blockchain

Despite the growing popularity, the carsharing procedures could definitely use some improvements. Revolutionary blockchain technology can help the potential of carsharing be truly realised.

Basing the platform on the decentralised blockchain network can help the companies at creating the transparent, potentially global systems. Thanks to the dispersion of databases between the users , the data stored within them such as the ratings of the renters or financing the very platforms, they can be regularly verified. This makes the service incredibly reliable and resistant to manipulations.

By using the smart contracts, the direct transactions between the parties could be carried out without the need of third parties, making the carsharing much more accessible.

On the other hand the cryptocurrency transactions, carried out by Derant for example, can free the users from the costs of conversion charges. Thanks to this the final price is only dependent on the conversion factor of the users’ bank. Thanks to that, the accessibility of the service can become global.

Siemens is thinking of blockchain

The usage of blockchain technology in carsharing has caught the attention of Siemens. The sister company of the German titan- siemens mobility is trying to explore its potential in the incoming years. Its goals include improving the processes of refuelling, parking or the delivery of the desired vehicle. 


Public transport

Carsharing is also a perfect solution for people who don’t use their car every day and use the public transport for commuting. It turns out that the blockchain technology can aid us here too.


Increasing the transparency

When car breaks down on the way to work, one person will be incapable of reaching their destination. However, if the bus breaks down, there will be around 50 people late to their work. The information about the condition of the vehicle he is taking is very important for the passenger. Both for his comfort and his safety.

Accidents with burning buses in Rome in 2017 show us the lethal effects of negligence of the public transportation. By making the data about their condition available in the blockchain network, it would be possible have an insight upon the status of the buses and other vehicles and allow for a quicker problem solving in that matter. 

Blockchain allows for registration of all the processes which are carried out by the bus – from its creation to all of its repairing. Thanks to the saving system in the library of blocks its easy to track the entire chain and to find the potential omits.

Such a system is resistant to manipulations – the data which was once saved on the blocks cannot be altered. Due to its decentralisation there is no supervision by the superior party. This means that in case of an emergency, no party could change or delete the information which would become detrimental to it. 



Ticket sales


Currently, the passenger is often forced to buy an additional ticket to travel from one city to another. Its very uncomfortable  and can bring additional costs.

Platforms such as Dovu have a chance to change this through the power of blockchain by allowing to pay for the tickets with the special tokens. Thanks to this the comfort of the passenger is increased because he can buy all of the tickets with the use of one app with one form of payment. 

Blockchain and the digitalisation of the documentation

To make the communal transport a worthy replacement of the private forms of transport, the infrastructure must be upgraded. However, with a greatly expanded infrastructure comes a greatly expanded documentation. The majority is kept in a paper form. On a global scale, the digitalisation of such data would bring a great conservation of paper. Thanks to that the Public transport would become even more ecological.

Due to many reasons, decentralised databases would be more optimal than the traditionally used centralised ones. First of all they are much more resistant to manipulation. Secondly, thanks to the dispersion of data it can be much more resistant to destruction. When the data is stored in many places, it can be restored easily when one of the databases is lost.

Range of benefits


The following examples show us how the human mobility can be change with the usage of the blockchain technology. Creating tokens, outsourcing the services of blockchain like Nextrope did with the Value and the Alior Bank, can help us change the way we perceive the means of transportation. They can reduce the costs and positively benefit the environment. They can also increase the comfort of the passengers. They help at improving of the working conditions of Taxi drivers. They build new, more beneficial models of the car traffic and the public transport. Blockchain brings a new perspective and a fresh start for many of the ideas existing in the context of  means of transportation.

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Blockchain for Creators: Secure and Sustainable Infrastructure

Miłosz Mach

07 Nov 2025
Blockchain for Creators: Secure and Sustainable Infrastructure

In today’s digital creative space, where the lines between art and technology are constantly blurring, projects like MARMALADE mark the beginning of a new era - one where creators can protect their work and maintain ownership through blockchain technology.

For Nextrope, being part of MARMALADE goes far beyond implementing features like screenshot blocking or digital watermarking. It’s about building trust infrastructure - systems that empower creators to thrive in the digital world safely and sustainably.

A new kind of blockchain challenge

Cultural and educational projects come with a completely different set of challenges than typical DeFi systems. Here, the focus isn’t on returns or complex smart contracts - it’s on people: artists, illustrators, educators.

That’s why our biggest task was to design secure yet intuitive infrastructure - lightweight, energy-efficient, and accessible for non-technical users exploring Web3 for the first time.

“Our mission wasn’t to build another financial protocol. It was to create a layer of trust for digital creators.”
— Nextrope Team

Security that stays invisible

The best security is the kind you don’t notice.
Within MARMALADE, we focused on making creators' protection seamless:

  • Screenshot blocking safeguards artworks viewed in browsers.
  • Dynamic watermarking helps identify unauthorized copies.
  • Blockchain registry ensures every proof of ownership remains transparent and immutable

“Creators shouldn’t have to think about encryption or private keys - our job is to make security invisible.”

Sustainability by design

MARMALADE also answers a bigger question - how to innovate responsibly.
Nextrope’s infrastructure relies on low-emission blockchain networks and modular architecture that can easily be adapted for other creative or cultural initiatives.

This means the technology built here can support not only artists but also institutions, universities, and educators seeking to integrate blockchain in meaningful ways.

Beyond technology

For Nextrope, MARMALADE is more than a project — it’s proof that blockchain can empower culture and creators, not just finance. By building tools for digital artists, we’re helping them protect their creativity and discover how technology can amplify human expression.

Plasma blockchain. Architecture, Key Features & Why It Matters

Miłosz Mach

21 Oct 2025
Plasma blockchain. Architecture, Key Features & Why It Matters

What is Plasma?

Plasma is a Layer-1 blockchain built specifically for stablecoin infrastructure combining Bitcoin-level security with EVM compatibility and ultra-low fees for stablecoin transfers.

Why Plasma Blockchain Was Created?

Existing blockchains (Ethereum, L2s, etc.) weren’t originally designed around stablecoin payments at scale. As stablecoins grow, issues like congestion, gas cost, latency, and interoperability become constraints. Plasma addresses these by being purpose-built for stablecoin transfers, offering features not found elsewhere.

  • Zero-fee transfers (especially for USDT)
  • Custom gas tokens (separate from XPL, to reduce friction)
  • Trust-minimized Bitcoin bridge (to allow BTC collateral use)
  • Full EVM compatibility smart contracts can work with minimal modifications

Plasma’s Architecture & Core Mechanisms

EVM Compatibility + Smart Contracts

Developers familiar with Ethereum tooling (Solidity, Hardhat, etc.) can deploy contracts on Plasma with limited changes making it easy to port existing dApps or DeFi, similar to other EVM-compatible infrastructures discussed in the article „The Ultimate Web3 Backend Guide: Supercharge dApps with APIs".

Gas Model & Token Mechanism

Instead of forcing users always to hold XPL for gas, Plasma supports custom gas tokens. For stablecoin-native flows (e.g. USDT transfers), there is often zero fee usage, lowering UX friction.

Bitcoin Bridge & Collateral

Plasma supports a Bitcoin bridge that lets BTC become collateral inside smart contracts (like pBTC). This bridges the security of Bitcoin with DeFi use cases within Plasma.
This makes Plasma a “Bitcoin-secured blockchain for stablecoins".

Security & Finality

Plasma emphasizes finality and security, tuned to payment workloads. Its consensus and architecture aim for strong protection against reorgs and double spends while maintaining high throughput.
The network launched mainnet beta holding over $2B in stablecoin liquidity shortly after opening.

Plasma Blockchain vs Alternatives: What Makes It Stand Out?

FeaturePlasma (XPL)Other L1 / L2
Stablecoin native designusually second-class
Zero fees for stablecoin transfersrare, or subsidized
BTC bridge (collateral)only some chains
EVM compatibilityyes in many, but with trade-offs
High liquidity early✅ (>$2B TVL)many chains struggle to bootstrap

These distinctions make Plasma especially compelling for institutions, stablecoin issuers, and DeFi innovators looking for scalable, low-cost, secure payments infrastructure.

Use Cases: What You Can Build with Plasma Blockchain

  • Stablecoin native vaults / money markets
  • Payment rails & cross-border settlement
  • Treasury and cash management flows
  • Bridged BTC-backed stablecoin services
  • DeFi primitives (DEX, staking, yield aggregation) optimized for stablecoins

If you’re building any product reliant on stablecoin transfers or needing strong collateral backing from BTC, Plasma offers a compelling infrastructure foundation.

Get Started with Plasma Blockchain: Key Steps & Considerations

  1. Smart contract migration: assess if existing contracts can port with minimal changes.
  2. Gas token planning: decide whether to use USDT, separate gas tokens, or hybrid models.
  3. Security & audit: focus on bridge logic, reentrancy, oracle risks.
  4. Liquidity onboarding & market making: bootstrap stablecoin liquidity, incentives.
  5. Regulation & compliance: stablecoin issuance may attract legal scrutiny.
  6. Deploy MVP & scale: iterate fast, measure gas, slippage, UX, security.