web3degens.com is valuable because it combines 'web3' referring to the third generation of internet services for websites and applications, focusing on utilizing blockchain-based technologies, and 'degens', a slang term popular in cryptocurrency communities for 'degenerates' who are typically enthusiasts who invest in risky projects. The '.com' TLD enhances its commercial appeal, making it ideal for a venture capturing the adventurous spirit of blockchain and cryptocurrency fans.