Zcash $ZEC is soaring under Naval's endorsement—— "Bitcoin is insurance against fiat. ZCash is insurance against Bitcoin." The time and information discrepancies for old coins are actually sufficient; you need to have good sensitivity and execution: Zcash is a cryptocurrency that emphasizes privacy, anonymity, and fungibility, with its core mechanism being zero-knowledge proofs (zk-SNARKs), allowing users to freely choose between transparency and privacy. Its significance lies not only in being a payment tool but also in promoting the practical application of zero-knowledge proofs in blockchain, laying the foundation for subsequent Layer 2 technologies like zk-Rollup and zkEVM. Timeline review: Launched in 2016: ZEC was born with a halo, as it introduced cutting-edge zero-knowledge proof technology, and was once crazily speculated upon after its launch, with prices soaring to several thousand dollars (in a situation of very poor liquidity). 2017 Bull Market: With the explosion of Bitcoin and Ethereum, Zcash was also driven by funds, peaking close to $800. 2018-2019 Bear Market: Prices fell sharply, but the project team continuously iterated, releasing the Sapling upgrade to improve privacy transaction efficiency. 2020-2021 Bull Market: As DeFi, ETH, and BTC reached new highs, ZEC also experienced a surge, with prices returning to the $300-$400 range. 2022-2023 Bear Market: The overall crypto market was sluggish, and ZEC was halved again, but the Halo 2 zero-knowledge proof upgrade technology was implemented, maintaining technological leadership. 2024-2025 New Cycle: Privacy and zero-knowledge proofs are once again becoming hot topics, with ZEC prices skyrocketing over 250% in September-October 2025 (the chart you sent is proof of that).

Compiled a "Event-Driven Old Coin List", similar to Zcash, which has been dormant for a long time but may suddenly surge. This list is mainly divided into three parts: representative old coins, potential catalysts, and operational strategies.