Detecting spoof communications using non-fungible tokens on a distributed ledger

A system, comprising:

• one or more processors;
• and
• memory including a plurality of computer-executable components that are executable by the one or more processors to perform a plurality of actions, the plurality of actions comprising:
• receiving, by a caller verification system, data identifying a first computing device and a phone number of the first computing device;
• generating, by the caller verification system, a non-fungible token (NFT) that includes metadata that includes the data identifying the first computing device and the phone number of the first computing device;
• receiving, by the caller verification system, data indicating that a second computing device with the phone number is placing a telephone call and data identifying the second computing device;
• accessing, by the caller verification system, the NFT based on the metadata of NFT including the phone number;
• comparing, by the caller verification system, the data identifying the second computing device to the data identifying the first computing device included in the metadata of the NFT;
• and
• based on comparing the data identifying the second computing device to the data identifying the first computing device and based on the data identifying the first computing device being included in the metadata of the NFT, determining, by the caller verification system, whether the phone number is likely being spoofed by the second computing device.

One or more non-transitory computer-readable media of a computing device storing computer-executable instructions that upon execution cause one or more computers to perform acts comprising:

• receiving, by a caller verification system, data identifying a first computing device and a phone number of the first computing device;
• generating, by the caller verification system, a non-fungible token (NFT) that includes metadata that includes the data identifying the first computing device and the phone number of the first computing device;
• receiving, by the caller verification system, data indicating that a second computing device with the phone number is placing a telephone call and data identifying the second computing device;
• accessing, by the caller verification system, the NFT based on the metadata of NFT including the phone number;
• comparing, by the caller verification system, the data identifying the second computing device to the data identifying the first computing device included in the metadata of the NFT;
• and
• based on comparing the data identifying the second computing device to the data identifying the first computing device and based on the data identifying the first computing device being included in the metadata of the NFT, determining, by the caller verification system, whether the phone number is likely being spoofed by the second computing device.