Blockchain

Blockchain’s potential to transform transactions

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Author: Rupert Colchester, Head of Blockchain, IBM Australia and New Zealand

Rupert ColchesterAt the heart of it, every business activity comes down to one thing – exchanging value. It could be a producer shipping goods to a customer, a customer transferring money in return, business partners exchanging data or a supplier delivering services. Each of these and endless other permutations are just transactions, and transactions are the bedrock of business.

But for a transaction to work, it needs to be fast, exact and easily agreed on by the parties involved. Blockchain can ensure all three requirements are met.

What exactly is blockchain, and how does it work?

Simply defined, blockchain is a single, shared ledger that’s tamper-evident and immutable, so once transactions are recorded they cannot be altered. It facilitates the process of recording transactions and tracking assets, reducing risk and cutting costs for all parties in the blockchain network.

Here’s how a blockchain transaction takes place:

  1. Once the parties agree to the transaction’s details, it’s encoded into a block of digital data and uniquely signed or identified.
  2. Each block is connected to the one before and after it — creating an irreversible, immutable chain.
  3. The blocks are chained together, preventing any one block from being altered or a block being inserted between two existing blocks.

The difference between blockchain and bitcoin

Bitcoin is an unregulated digital cryptocurrency, designed to bypass government currency controls and simplify online transactions by getting rid of third-party payment processing intermediaries. To make Bitcoin transactions secure, they’re stored and transferred using a distributed ledger on an open, public and anonymous peer-to-peer network – underpinned by blockchain.

But although blockchain technology was initially developed for cryptocurrency, it was eventually adapted to meet the needs of the business community.

The advantages of blockchain over traditional transactions

In a traditional transaction, each party has their own separate ledger, so there’s more potential for error or fraud. And it’s inherently inefficient, with unavoidable delays and intermediaries needed for verification.

Why blockchain matters to chef Aarón Sánchez (video above)

In contrast, members on a blockchain can see all details of a transaction end-to-end, reducing those vulnerabilities. Because blockchain creates a shared system of record among business network members, it eliminates the need to reconcile disparate ledgers. Each member of the network must have access privileges, with information shared only on a need-to-know basis, and they all have to reach consensus. Plus all validated transactions are permanently recorded, so even a system administrator can’t delete a transaction.

IBM and CSIRO partner for an Australian blockchain first

IBM and Herbert Smith Freehills have joined forces with the CSIRO’s Data61 to form a consortium known as the Australian National Blockchain (ANB), with the aim of shaping the nation’s digital economy. ANB will design and build the nation’s first large-scale, enterprise-grade and industry agnostic digital platform, using IBM Blockchain. When completed, it’ll give businesses a secure, cost-effective way to digitise contracts, exchange data and confirm the authenticity and status of legal contracts.

How blockchain can benefit your business

By optimising transactions and making it easier to explore new opportunities, blockchain helps businesses build more efficient enterprise models and create new value. Facilitating transactions with suppliers, partners and customers helps streamline business processes and transactions. And by allowing transactions to be created using a distributed, permissioned, immutable ledger, it reduces risks.

You can learn more about the fundamentals of blockchain by downloading our Blockchain for Dummies guide here.

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