According to the Tokenview block browser, Zcash (ZEC) will be upgraded to a network called Heartwood at a block height of 903000. Heartwood will enhance the integration capabilities of the Zcash network with third parties through Shielded Coinbase and provide better privacy features. This update includes two proposals for ZIP-221 Flyclient and ZIP-213 Shielded Coinbase. The current Zcash block height is 901783, and the block generation interval is about 75 seconds. It is expected to reach the predetermined upgrade height around 19 o’clock tomorrow.