What storage for thousands of electronic circuits that have been implanted?

For storing thousands of implanted electronic circuits, non-volatile memory technologies such as flash memory or EEPROM (Electrically Erasable Programmable Read-Only Memory) are commonly used. These storage solutions retain data even when power is off, making them ideal for applications in medical devices and wearables. Additionally, advancements in 3D memory structures, like 3D NAND, offer high density and efficiency, accommodating the compact size required for integration with electronic circuits.