What is a blockchain?

A blockchain is a public, digital ledger in which transactions are recorded in a linear, chronological order. Its content is de facto secured by an inherent consensus mechanism based on mathematical functions. Some considers the blockchain technology and all its applications as part of the 4th industrial revolution, profoundly transforming our society.

Blockchain can be used by individuals or companies to track credits, debits or other transactions. Blockchain applications are multiple: cryptoccurencies, secure transation management, Internet of Things (IoT), or authentication processes.

What is a secure chip?

A secure chip is a tamper resistant platform capable of securely hosting applications and data in accordance with the rules and security requirements set by pre-authorized applications and people. Secure chips are commonly used to secure credit cards or passports. Hacking a secure chip takes formidable efforts while information can be easily extracted from generic microcontrollers by amateurs.