Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

Cryptocurrency and Blockchain Technologies Address Global Challenges, Including Environmental Crisis Through Carbon Offsets

  • The UN Environmental Programme considers blockchain a potential opportunity for the reduction of carbon emissions and other environmental impacts faced globally
  • Cryptocurrency and blockchain technology has the potential to create a positive environmental impact through the use of digital ledgers and carbon credits
  • Carbon credits are digital certificates purchased by companies and environmental projects certifying that they have reduced emissions by at least 1 tonne of CO2 or equivalent greenhouse gas in a given year
  • Companies can be considered carbon neutral if the number of carbon credits purchased equals their carbon footprint
  • The voluntary carbon offsets market was valued at $305.8 million in 2020 and is expected to reach $700.5 million by 2027

Since being introduced in 2008, cryptocurrency and blockchain have become an emerging technology trend making headlines and catching the attention of venture capitalists. Often used interchangeably, crypto and blockchain technology are not the same. Since inception, hundreds of cryptocurrencies have emerged, creating an alternative to fiat currency – a decentralized financial currency. On the other hand, blockchain technology has been considered one of the safest ways to store data since it cannot be altered once added to the chain. Blockchain technology is the digital ledger technology that allows transactions to be executed in a safe, more secure setting. One of the highest valued cryptocurrencies and the first blockchain technology application is Bitcoin. 

One of the biggest environmental debates in recent history (carbon emissions) has something in common with Bitcoin and blockchain technology, as environmentalists have expressed deep concern over the amount of energy consumed by Bitcoin miners and the increased carbon footprint it potentially leaves…

Read More>>

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