
Can we trust blockchain?
Blockchain is supposed to be trustless, meaning that it does not require a third party, such as a bank, to validate payments and other asset transfers. As Satoshi Nakamoto, the creator (or creators) of bitcoin, which effectively launched blockchain technology, said: “We have proposed a system for electronic transactions without relying on trust.” Did Nakamoto succeed? No. Blockchain changes the loci of trust but not the need for trust. Let me explain why and give some evidenc

Blockchain is more than just the technology behind bitcoin
Blockchain is more than just the technology behind bitcoin. Its use can improve security, efficiency, privacy, and flexibility and reduce platform complexity. Cryptographic authentication is part of the baseline in the blockchain platform architecture. As my colleague Mark Jamison defines in a recent video: Blockchain is a database of ledgers or “blocks” spread across multiple computers. Each block contains a set of codes called hashes, which keep the blocks in sync. Every t

Can blockchain save broadband for rural health care?
Some rural health care facilities and their broadband providers are complaining about inadequate broadband subsidies. At issue is the Federal Communications Commission’s (FCC) Rural Health Care (RHC) Program, which the 1996 Telecommunications Act directed the FCC to create. For fiscal year 2017, applicants for subsidies requested $521.33 million. They are receiving less than 75 percent of the requested figure because only $388.22 million is available. (There is a $400 million

America should build on the Swiss model to regulate cryptocurrency
With the explosion of cryptocurrencies such as bitcoin, technology today has once again leapt far ahead of existing regulatory systems, causing a negative reaction from those who live in regulatory bubbles. Regulatory responses have varied, from China’s banning of many cryptocurrency activities to Japan’s decision to embrace some coins as currency. Today, applications of cryptocurrency technologies go far beyond the digital currency that bitcoin has become. The website CoinMa

Rumors of Bitcoin's Death are Greatly Exaggerated
Bitcoin’s 1,600% rise this year and its recent wild value fluctuations have both excited investors and led critics to predict its demise, some with apparent glee. The currency’s detractors point to the price run up as nothing more than a bubble that will surely burst. They also say that as a cryptocurrency where users can sometimes hide their identities, its use facilitates illicit transactions, leading governments such as China to declare all such currencies as illegal. But