Blockchains can become inactive due to flawed tokenomics, scams, security issues, or lack of community support. Not all blockchains achieve enduring success; while Bitcoin and Ethereum have thrived, others like Terra have collapsed. Challenges for blockchain adoption in 2025 include regulatory uncertainty and competition with bots over genuine users. Essential metrics to assess a blockchain's health include transaction volume, developer activity, and total value locked (TVL). Active blockchains like Bitcoin, Ethereum, Solana, and BNB Chain show daily engagement and resilience, while inactive chains fall into obscurity. Reviving dead blockchains requires new use cases, strong community support, and continuous innovation. Examples like EOS and Terra demonstrate that without practical utility and ongoing development, hype alone cannot sustain a blockchain. Therefore, the key markers of a viable blockchain are authentic user activity, developer momentum, and responsive governance.

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