0x70.net is valuable because "0x70" in hexadecimal represents the number 112, which can be associated with technical, software, or gaming industries where hex codes are commonly used. The '.net' TLD enhances its appeal as it traditionally signifies network-related domains, making it a fitting choice for tech-oriented websites or services. This combination can be particularly catchy for a tech company, a developer platform, or a digital tool, emphasizing innovation and connectivity.