The card's annual companion certificate can offer major value, and its rewards and other perks make flying Delta more pleasant for business travelers. Many or all of the products featured here are ...

Simple wallet address validator for validating Bitcoin and other altcoins addresses in Node.js and browser. Forked from ryanralph/altcoin-address. File size is ~65 kB (minifed and gzipped). Returns ...

Delta SkyMiles are worth about 1.2 cents each for economy tickets. This is the fourth highest among domestic airlines. The value is consistent across dates and routes (it's hard to find sweet ...