Odaily News Casey, founder of the Bitcoin NFT protocol Ordinals, posted on the X platform that a good feature of Runes is that the mint terminology is very flexible and expressive. In addition to the maximum mint number, users can also specify a start and end time, both of which are absolute block heights, and a relative block count after the etch has been mined. Previous news, Casey released Runes document. According to the document, Rune allows Bitcoin transactions to etch, mint, and transfer Bitcoin-native digital goods. While each inscription is unique, each unit of the rune is identical; they are interchangeable tokens suitable for multiple uses.