What Is the 0x Protocol?

The 0x (zero x) protocol is a protocol that enables the peer-to-peer exchange of assets on the Ethereum blockchain. The 0x protocol was launched in 2017 by 0x Labs, an organization based in San Francisco focused on creating new markets in the 0x ecosystem.

The protocol itself is not, by definition, a decentralized exchange; it allows for the creation of decentralized exchanges that can be used in broad applications.

Understanding the 0x Protocol

In the world of digital currencies, a protocol is a set of standard rules that can be used by a system (or by various transacting parties) to communicate with each other smoothly. The 0x protocol is essentially a standard messaging format that transacting entities can use to exchange digital assets or tokens.

The standard SWIFT messaging system used in the banking industry is similar to a protocol (except that it is used in a different context). Banks across the globe use the standard SWIFT messaging system to communicate about money transfers.

The system has a standard set of message fields defined for all users; their corresponding values are used in the SWIFT system to securely convey details between two parties, such as sender, recipient, amount, currency, source branch, and destination branch, among others.

Because each bank has adapted to the standard rules of the SWIFT messaging system, they can transact with each other directly. The situation would go awry if each bank followed its own distinct protocol because then they would have to adhere to a one-on-one communication channel with every other bank.

Goals of 0x

The goal of 0x Labs is to make the necessary infrastructure for the emerging cryptocurrency economy and enable markets to be created that couldn’t have existed before.

The 0x protocol attempts to work similarly to SWIFT, but in the context of operating decentralized exchanges for trading digital tokens and assets that run on the Ethereum blockchain. Built on the foundation of Ethereum token standards, 0x protocol acts as the key infrastructure layer for the burgeoning number of financial applications and instruments being created using blockchain technology and trading in digital forms.

With every passing day, tokens are becoming an increasing part of the world’s financial value. Consequently, the requirement to trade digital assets and tokens securely and efficiently is growing. With its clearly defined message formats and smart contracts, the 0x protocol attempts to answer this need.

It is used in a wide array of markets, such as gaming and financing, that enables users to trade tokens and assets.

ZRX is 0x’s native governance and staking token. ZRX owners have a say in how the protocol evolves, and token holders can also stake their tokens to earn ETH (the Ethereum token ether) liquidity rewards.

Special Considerations

The 0x protocol’s message format is composed of a set of data fields that carry vital information, such as the digital asset or token to be traded, the price value of the transaction, the expiration time, and the defined identities of the transacting parties.

Smart contracts take care of the necessary business logic for generating, sending, receiving, and processing the data linked to the trading activity. It also allows room for essential upgrades, if any, in the future. The provisions for upgrades are required if any changes are necessary for adhering to the modified regulations or any modifications linked to the intrinsic working of the Ethereum blockchain network.

The system also uses relayers, which act as order aggregators and broadcast orders from designated market participants to the marketplace or exchange.

Investing in cryptocurrencies and other Initial Coin Offerings (“ICOs”) is highly risky and speculative, and this article is not a recommendation by Investopedia or the writer to invest in cryptocurrencies or other ICOs. Since each individual’s situation is unique, a qualified professional should always be consulted before making any financial decisions. Investopedia makes no representations or warranties as to the accuracy or timeliness of the information contained herein. As of the date this article was written, the author does not own cryptocurrency.

What Is an 18-Hour City?

Economists and real estate investors use the term 18-hour city to describe a mid-size city with attractive amenities, higher-than-average population growth, and a lower cost of living and cost of doing business than the biggest urban areas. The 18-hour city generally has a population of under one million, making it a second-tier city.

Eighteen-hour cities in the U.S. are increasingly seen as viable alternatives for investment and living to the Big Six markets of Boston, Chicago, Los Angeles, New York, San Francisco and Washington, D.C that make up America’s first-tier or 24-hour cities.

Understanding the 18-Hour City

While loosely defined, the term 18-hour city most often refers to a city that has public services, amenities and job opportunities that are comparable in quality to those in the big six markets.

Unlike the biggest cities, most of their services and amenities don’t operate on a 24-hour basis. However, they boast comparable advantages, including solid public transportation systems, modern infrastructure and strong economies. Housing prices are moderate in comparison.

The 18-Hour City Advantage

Eighteen-hour cities have emerged as an attractive alternative to big cities for starting a new business, relocating an existing one, or investing in real estate. They typically feature lower capitalization rate compression, meaning property values tend to remain stable rather than spiking up or down significantly.

Like first-tier cities, 18-hour cities often boast low real estate vacancy rates along with favorable supply concentrations, rental growth and absorption trends—all indicators of long-term real estate investment potential.

Aside from the numbers, Forbes.com cites a distinctive and lovable culture as a key factor in creating and maintaining a vibrant 18-hour city: “Austin is the live music capital of the world. Denver and the Research Triangle are outdoor meccas. Portland is just plain weird (and residents would like to keep it that way.”

One perceived downside is the increased risk inherent in cities that do not have the established track record of primary market cities.

Examples of 18-Hour Cities in the U.S.

CrowdStreet, a site for crowd-sourced real estate investments, cites Austin, Denver, and Nashville as recent stars among 18-hour cities. In 2020, it identified Charleston, South Carolina, as the next big success story in the category.

Realtor.com identified its top metropolitan areas for 2020 and beyond, with all of its top five picks squarely in the 18-hour city category. They include Boise, Idaho; Mc-Allen-Edinburg-Mission, Texas; Tucson, Arizona; Chattanooga, Tennessee, and Columbia, South Carolina.

The National Real Estate Investor website chose Charleston, Kansas City, and Columbus, Ohio, based on their stellar growth in jobs.

Follow the Millennials

These and other frequently-cited 18-hour city stars have become targets for millennials whose goal is launching or advancing their careers. They are characterized by the availability of recreation and entertainment opportunities that extend well beyond what the typical second-tier affords.

Employers are drawn to 18-hour cities because doing business is less expensive in these markets and this, in turn, attracts large numbers of job seekers and entrepreneurs.