The Web Authentication API (also known as WebAuthn) is a specification written by the W3C and FIDO, with the participation of Google, Mozilla, Microsoft, Yubico, and others. The API allows servers to register and authenticate users using public key cryptography instead of a password. It allows servers to integrate with the strong authenticators now built into devices, like Windows Hello or Apple’s Touch ID. Instead of a password, a private-public keypair (known as a credential) is created for a website. The private key is stored securely on the user’s device; a public key and randomly generated credential ID is sent to the server for storage. The server can then use that public key to prove the user’s identity. The public key is not secret, because it is effectively useless without the corresponding private key. The fact that the server receives no secret has far-reaching implications for the security of users and organizations. Databases are no longer as attractive to hackers, because the public keys aren’t useful to them. WebAuthn is part of the FIDO2 framework, which is a set of technologies that enable passwordless authentication between servers, browsers, and authenticators. As of January 2019, WebAuthn is supported on Chrome, Firefox, and Edge, and Safari.

One of the most important navigational tools on the Internet is the search engine. Search engines have come and gone, but most of them followed the same strategy -- using a search algorithm to scan Web pages for the user's search terms. Web page publishers figured this out pretty quickly, and soon users were browsing through irrelevant sites just because the page's owner had hidden every search term imaginable in the page's html code. Mahalo is revolutionizing search engines with a new mission -- to give users a hassle-free, informative and relevant experience. Instead of relying on a complex algorithm to generate search results, Mahalo uses human beings. Real, live people research each search term, seeking out the sites that best fit the user's request. While most search engines depend on complex algorithms developed by a small group of people, Mahalo searches are the result of hundreds of people working to sort out the absolute best of the Web. Instead, Mahalo contributors submit search results pages (SeRPs) to a centralized database, called the Mahalo Greenhouse.

When the SeRP has a few great links in it, Mahalo publishes it to the Web, giving users access to the search results. Each SeRP includes a completion percentage, indicating how close Mahalo employees feel the results fit their ideal of 100 percent of the best links on the Web relating to that topic. The easiest way to understand the philosophy behind the Mahalo search engine is to use it. When you search for a term like "Hawaii," for example, you'll see that links are organized into subcategories. The first subcategory is "The Mahalo Top 7," a list of seven sites Mahalo employees feel are the most relevant to the term. Other subcategories include Hawaii Vacations, Hawaii State Government, Hawaii State History and Hawaii State News, among others. You can scan a search result to look for the information you need and continue browsing other links, knowing that each one is the result of careful research.

In this article, we'll learn about Mahalo's internal structure and explore what the Mahalo search experience is like. We'll look at the Mahalo Greenhouse database, where employees build and tweak search results. And, we'll find out how to build a SeRP and work for Mahalo. In the next section, we'll learn what happens when you enter a search into Mahalo. Mahalo is a Hawaiian word that means "thank you." The company's motto is "We're here to help," and the site has a Hawaiian print motif. Even Mahalo's symbol for excellent links is a Hawaiian reference -- it's an icon representing the shaka sign, a hand with the thumb and pinky finger extended, often used in Hawaii for greetings or hanging ten. These symbols are used to tag links. Warning tags: These tags tell the user that the link might be very good, but it has some things Mahalo usually tries to avoid, like pop-up ads and intrusive music, or parts of it are written in languages other than English.

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