Asian Company Uses Blockchain Technology to Prevent Fraud With COVID-19 Vaccines

The Asia-based medical services company Zuellig Pharma has developed a blockchain platform to improve its vaccine tracking service and prevent accidents that could compromise the public’s health.

eZTracker, Zuellig Pharma’s management system, guarantees the authenticity of vaccines, preventing the smuggling of medical products and the misappropriation of vaccines and supplies during their official distribution.

How eZTracker Can Prevent Vaccine Frauds

Zuellig Pharma’s eZTracker software guarantees transparency across the entire supply chain by recording the movements of each package from manufacture to delivery and administration.

Because it uses blockchain technology, the information is auditable in real-time, offers instant results, and does not require an intermediary. Also, it is censorship-resistant and immune to deliberate tampering with the reported data.

Daniel Laverick, vice-president and head of digital and data solutions at Zuellig Pharma, explained that in addition to knowing a product’s route and verifying its authenticity, users have the ability to reliably obtain a plethora of valuable information.


“For products registered with eZTracker and depending on the needs of our pharma principals, patients can scan the 2D data matrix on the product packaging to verify key product information like expiry date, temperature, and provenance through its app powered by blockchain,”

Laverick believes Hong Kong could be a key market for positioning eZTracker as a healthcare system monitoring tool. Zuellig Pharma has a customer base of more than 1,000 healthcare facilities in 13 countries in Asia.

Blockchain Goes Beyond Crypto

The use of blockchain technology in the field of logistics and medicine is not new. As the industry matures, developers have launched proofs-of-concept and practical applications that give distributed ledger and blockchain technologies comparative advantages over approaches that rely on human operators or need to work with central servers. Some initiatives have proven to be succesful, and some have struggled a lot to prove their worth, but the use of blockchain technology diversifies among different industries as time marches on.

For example, in the medical field, MediLedger is a startup that is offering a service similar to eZTracker but to a much wider audience, guaranteeing the authenticity and validity of medicines coming from affiliated entities.

Similarly, during the COVID boom, several proposals for COVID passports using blockchain to guarantee information about the spread of the virus were explored, recording people’s movements and travels under supervision.

And there are already applications in food, energy distribution, and even the footwear industry —with the shoes company New Balance using Cardano to prevent counterfeit.


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Altcoin Roundup: Cross-chain bridge tokens moon as crypto shifts toward interoperability

Interoperability is shaping up to be one of the main themes for the cryptocurrency market in 2022 as projects across the ecosystem unveil integrations that make their networks Ethereum (ETH) Virtual Machine (EVM) compatible.

While this has been one of the long-term goals of the ecosystem as a step on the path to an interconnected network of protocols, it has also created a new decentralized finance (DeFi) market for multi-chain bridges and decentralized finance.

Here are three of the top volume cross-chain bridges that the cryptocurrency community uses to transfer assets between blockchain networks.


Multichain (MULTI), formerly known as Anyswap, is a cross-chain router protocol that aims to become the go-to router for the emerging Web3 ecosystem.

According to data from Defi Llama, Multichain is the top-ranked cross-chain swap protocol by total value locked, with $8.95 billion currently locked on the platform.

Multichain total value locked. Source: Defi Llama

One of the main reasons for the high TVL on Multichain is the large number of blockchain networks supported by the protocol. Currently, 30 different chainscan be accessed on the network.

Blockchain protocols supported by Multichain. Source: Multichain

According to data provided by Multichain, the protocol has processed a total of $53.15 billion worth of volume since launching, with $19.08 billion of that being transacted in the past 30 days alone. There are currently 485,399 users that have interacted with the Multichain protocol, amounting to nearly 2.256 million transactions.

Multichain network statistics. Source: Multichain

Users who deposit tokens into one of the pools supported by Multichain receive a sare of the transaction fees generated by the pool in question.

The protocol’s native MULTI token is used to vote and participate in the governance of the Multichain ecosystem and has a circulating supply of 18.64 million tokens out of a total 100 million.


Synapse (SYN) refers to itself as a “cross-chain layer ∞ protocol” that is designed to offer users interoperability between separate blockchain networks.

According to data from Defi Llama, Synapse recently hit an all-time high in total value locked of $1.16 billion prior to experiencing a wave of outflows that lowered the TVL to 740.43 million.

Total value locked on Synapse. Source: Defi Llama

The Synapse protocol currently supports 12 different chains which have a combined total bridged volume of $5.33 billion according to data from the platform’s dashboard.

Total bridged volume on each network supported by Synapse. Source: Synapse

A large percentage of the total volume recorded on Synapse has come since the start of 2022 with the protocol seeing an all-time high bridge volume of $157.8 million on Jan. 23.

Synapse bridge volume. Source: Synapse Analytics

The protocol’s native SYN token has several uses within the ecosystem. Token holders can use it to conduct community governance votes via the SynapseDAO, liquidity providers (LPs) receive a percentage yield paid out in SYN for their deposits and it is also used as a subsidy to pay for the gas expended by network validators to secure transactions across the network.

LPs also receive a share of the protocol fees earned by the Synapse platform on each transaction.

Related: Web3 innovations are replacing middlemen with middleware protocols

Celer cBridge

Another popular cross-chain bridge is the Celer cBridge, a multi-chain network that enables instant, low-cost value transfers between 19 different networks.

The cBridge is a subsector of the larger Celer (CELR) ecosystem and utilizes the CELR token for operations on the protocol and as the reward token for liquidity providers.

Along with the CELR rewards paid to LPs, a percentage of the transaction fees generated by people who use the liquidity pools to bridge funds across chains are paid out to LPs and added directly to the pools, allowing the rewards to compound.

According to data from cBridge analytics, the total value of funds locked in the bridge contract (pool-based bridge) and the funds locked in the token vault contract (canonical token bridge) currently stands at $240.92 million.

cBridge usage statistics. Source: cBridge

A total of 89,897 unique addresses have interacted with the protocol since inception and have conducted a total of $2.842 billion in transaction volume.

Similar to the transfer trend seen with Synapse, the transaction volume on cBridge has gotten noticeably higher in 2022 with a record $71.12 million being transacted on Jan. 22.

Daily transaction volume on cBridge. Source: cBridge analytics

Some of the protocols currently supported by cBridge include Ethereum, Binance Smart Chain, Avalanche, Polygon, Fantom, Metis, Harmony, Gnosis, Arbitrum and Optimism.

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