US Patent 11695570 Quantum-safe blockchain vault system

Arrangements of the present disclosure relate to a method for securing data located in a blockchain having a plurality of blocks. The method includes creating a pointer within a block of the plurality of blocks, the pointer pointing to a location external to the blockchain. In response to a request to protect data inside the block, the method further includes creating a security vault at the location, copying the block, and storing the copied block in the security vault using the pointer.