Glossary · Smart Cities

Blockchain

Smart Cities

Blockchain is a distributed ledger technology that enables the creation of a decentralized, secure, and immutable digital record of transactions and data.

Blockchain is a distributed ledger technology that enables the creation of a decentralized, secure, and immutable digital record of transactions and data. Each block in the chain contains a list of transactions and is cryptographically linked to the previous block, forming a continuous chain of blocks that is consensually updated among multiple nodes in the network.

Applications in Smart Cities: In the context of smart cities, blockchain can be used for:

  1. Data Management: Ensuring the integrity and transparency of data collected by sensors and IoT systems in the city.
  2. Transparency and Security: Improving transparency and security in government processes, such as electronic voting and digital identity management.
  3. Energy and Resources: Facilitating energy trading between citizens through microgrids, where residents can sell excess solar power directly to their neighbors.
  4. Mobility and Transport: Managing and verifying transactions related to transportation, such as payments for shared vehicle use or toll systems.
  5. Circular Economy: Implementing more efficient and transparent waste management and recycling systems.

Relation to Smart Contracts: Smart contracts are self-executing computer programs that run automatically when predefined conditions are met. These contracts are stored and executed on a blockchain, ensuring their immutability and transparent execution. In the context of smart cities, smart contracts can:

  1. Automate Processes: Facilitate the automation of administrative and commercial processes without intermediaries, reducing costs and time.
  2. Promote Transparency: Ensure that transactions and agreements between citizens, businesses, and the government are conducted transparently and reliably.
  3. Improve Efficiency: Optimize the management of public services, such as water and electricity distribution, through the automation of contracts based on actual consumption.
Related terms Cloud computing Cloud computing refers to the provision of computing resources (processing, storage, networking, software) over the Internet, allowing on-demand access and flexible scaling according to user needs. Dashboards Dashboards are a reporting mechanism that aggregates and displays key metrics and indicators so that they can be examined at a glance by all possible audiences. Digital twin A digital twin is an advanced, dynamic digital representation of an existing real-world entity or system. E-Government E-Government, or electronic government, refers to the use of digital platforms, tools and information technologies by government entities to offer services, communicate with citizens and perform internal operations.