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Crypto Better SIM: Best Blockchain SIM Cards

Blockchain-backed SIM Cards

Blockchain SIM cards are mobile SIM cards that uses Blockchain Technology to provide secure decentralized mobile communication. Blockchain SIM card is also known as Crypto SIM card and eSIM. To know more about the Blochchain-backed SIM cards, check our well-detailed article on Blockchain SIM card and how it works.

Here, we’re going to walk you through the best Blockchain SIM cards so that you can know the right one just for you. Conflux Network is the first Blockchain company to launch the Blockchain-based SIM card, also known as BSIM.

Conflux Network Blockchain-backed SIM Cards

Conflux Network, a public blockchain owned by the Chinese government, on Tuesday 16 May 2023 launched its first blockchain-based SIM card, or BSIM, in a collaboration with China’s second-largest wireless carrier China Telecom.

The Conflux Network Crypto SIM is known as of the best SIM card backed by Blockchain Technology. The BSIM card will grant users access to blockchain-based functions such as on-chain data storage, management of digital assets, digital identity verification, as well as improve mobile phones’ defences against hackers and cyber attacks.

Conflux Network Blockchain SIM Cards
Conflux Network Blockchain SIM Card

The Conflux Network BSIM card looks the same as traditional SIM card and is compatible with both Android and IOS operating systems. However, the Blockchain-backed SIM cards are 10-20 times larger in storage space and it has a computing power that’s twelve times stronger than the traditional SIM cards.

Furthermore, the development of the Conflux Blockchain Network is uphold by a research team called Tree-Graph Research Institute. Conflux Network was launched in 2018 as a layer 1 blockchain that claims to be the only regulatory-compliant public blockchain in China. The Blockchain is supported by the municipal government of Shanghai.

Lastly, following the launch event of the BSIM card, the price of Conflux CFX, the native token of the Conflux blockchain, reached a ten-day high of US$0.3253 on May 16. The token was trading at US$0.3007 as of 11:30 a.m. in Hong Kong, up over 15% for the week, according to data from CoinMarketCap.

Things Mobile SIM Card for Blockchain Applications

Things Mobile is a leading operator for IoT and M2M devices, with global coverage, multi-operator GSM/2G/3G/4G LTE network, without fixed costs, and with the lowest rates of all, offers white label or customer brand SIM cards.

The company offers a cryptocurrency SIM cards known as the white label SIM card for Blockchain Applications. It’s a customer brand SIM card. That’s, customer can request the way they want their card to be customized.

Things Mobile Blockchain-backed SIM Card offers coverage in more than 165 countries around the world and supports all currently available networks including 2G, 3G, 4G LTE, CAT-1, CAT-M1 and soon NB-IoT.

All you need to connect this decentralized crypto SIM card to your IoT or M2M device is getting a white label SIM card, which works anywhere in the world and guarantees high levels of performance for every need. The Things Mobile Blockchain SIM card is available in all sizes: mini (2FF), micro (3FF), nano (4FF), SIM-On-Chip (MFF2 embedded).

However, for more information about the Thing Mobile Blockchain-backed SIM Cards or Cryptocurrency SIM Cards, visit the telecommunications official company website.

The UBIRCH Nano-Client Blockchain-based SIM Card

UBIRCH Nano-Client is a Blockchain-On-A-SIM SIM Card. This cryptocurrency SIM card was developed by 1NCE, UBIRCH and G+D.

UBIRCH Nano-Client Crypto SIM Card

UBIRCH Nano-Client SIM Card is an IoT FlexSIM card that uses blockchain-backed security components to offers high-quality IoT connectivity with the highest IoT security.

Infographic of crypto SIM card of 1NCE

How does this Blockchain-based SIM card works? Before customers’ data is transferred from the physical world to the digital world, each user data packet is sealed directly at the point of capture – using robust cryptography.


This creates an immutable “chain of trust” that guarantees from the source that IoT data will not be manipulated, duplicated or deleted.

In a nutshell, The UBIRCH Nano-Client is directly integrated on Blockchain-on-a-SIM card. It uses cloud service to anchors the IoT data in the blockchain and enables the verification of authenticity and integrity via a REST interface.

Moreso, the IoT company, 1NCE is giving away 20 free Blockchain-On-A-SIM test kits to corporate IT developers. To get one of the SIM Kits, please follow this link to the test kit application form.

UBIRCH Nano-Client Blockchain-backed SIM Card Test Kit

The UBIRCH test kit is the consist of Pycom hardware modules, and sample code in Micropython to demonstrate the use of the UBIRCH protocol. This allows customer to easily test and evaluate the Blockchain on a SIM solution.

The test kit also consist of 1NCE FlexiSIM card with SIGNiT SIM technology from our partner Giesecke+Devrient Mobile Security. 

SIGNiT is the basis for the Blockchain on a SIM functionality and is not included on a standard SIM card. You can also find out all the other details about the test kit and what else you need in the UBIRCH Github repository.

UBIRCH Nano-Client is another Best Blockchain SIM Card. You can try it now for free by requesting the test kits or visit their official website for more enquiries.

Telcoin Blockchain-backed SIM Card

Telcon crypto Sim card

This SIM card is powered by the Telcoin blockchain and offers a number of features, including:

  • Low-cost international calling: You can use the Telcoin SIM to make low-cost international calls.
  • Mobile money: You can use the Telcoin SIM to send and receive mobile money.
  • Remittances: You can use the Telcoin SIM to send and receive remittances.

Bitrefill Crypto SIM Card

Bitrefill is a well-known name in the cryptocurrency community, offering a range of services that allow users to spend their digital currencies in various ways.

Bitrefill Crypto SIM Card

In addition to their gift card and voucher services, Bitrefill offers a crypto-friendly SIM card that supports over 600 operators worldwide. With their SIM card, users can easily top up their mobile plans using cryptocurrencies, ensuring uninterrupted access to their assets while enjoying the benefits of seamless global connectivity.

Plutus SIM Card

Plutus is another popular option for crypto enthusiasts seeking a mobile solution. 

Plutus SIM Cards

Plutus offers a SIM card that allows users to spend their cryptocurrencies directly, thanks to their integration with decentralized finance (DeFi) platforms. This unique feature enables users to make purchases and pay for services using their digital assets, all while benefiting from competitive rates and high-quality mobile coverage.

Uquid SIM Card

Uquid is a platform that provides a wide range of crypto-related services, including a crypto-friendly SIM card. Uquid’s SIM card allows users to manage their digital assets while enjoying global mobile coverage. 

Uquid cryptocurrency SIM card

The card supports multiple cryptocurrencies and enables users to top up their mobile plans seamlessly using their preferred crypto coins. Uquid’s user-friendly interface and strong customer support make it an attractive choice for beginners.

Platin SIM Card

Platin SIM Card is specifically designed for cryptocurrency users who prioritize privacy and security. This SIM card utilizes eSIM technology, eliminating the need for physical cards and providing an additional layer of protection for your digital assets. Platin offers an intuitive app interface that allows users to manage their SIM card settings and top up their mobile plans with cryptocurrencies. With Platin, beginners can enjoy global connectivity while maintaining control over their privacy and security.

Blockstream SIM Card

This SIM card is powered by the Blockstream satellite network and offers a number of features, including:

  • Global coverage: The Blockstream SIM works anywhere in the world where there is a clear view of the sky.
  • No internet connection required: You can use the Blockstream SIM to make calls, send text messages, and use data even when there is no internet connection.
  • Secured data storage: Your data is stored on the Blockstream satellite network, which is a secure and private network.

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