Within a permissioned blockchain, transactions are validated and processed by participants that are already recognized by the ledger. Even though this is the case, there is still a challenge and issue of trust. How can one ensure the blockchain is secure and trustworthy in order to avoid the substantial impact of a cyberattack? The answer is by building security into your blockchain technology from the start, through strong authentication and cryptographic key vaulting.

We at Numen provide advisory on design & implementation of Blockchain, Security assessment and Authentication services can help you secure blockchain in the following four areas:

• Blockchain Security

• Blockchain Implementation Review

• Blockchain Framework Design

• Smart Contract Audit

• Wallet Audit

• Chain Audit

Benefits of Blockchain

• Eliminate the need for centralized control and the additional costs
• Trust is distributed between blockchain members
• Transactions are digitally signed using an asset owner public/private key pair
• Once recorded, data in a block cannot be altered retroactively
• Open, distributed ledgers record transactions between two parties efficiently and in a verifiable and permanent way
• Transactions don’t have to be just data – they can also be code or smart contracts