A new blockchain-based Value-Added Tax system

Value-Added Tax or VAT plays an important role in the Indonesian state revenue. Despite its importance, it requires a complex administration process to be done properly. The complexity of the tax administration creates loopholes that can be exploited by dishonest taxpayers to minimize the tax paid to the government. The current system does not prevent the dishonest taxpayers to forge tax invoices which bring tax loss for the government. We utilize the blockchain technology to create a novel approach of implementing the distributed ledger in taxation area. Our proposed protocol creates a transparent and secure VAT system as well as simplifies the process of administering the VAT. The system increases the tax compliance by reducing the risk of tax fraud and increasing the monitoring capability of the tax authority.