1. A content validation device for validating content of a content provider, comprising: one or more memory devices; and one or more processor devices, communicatively connected to the one or more memory devices, to: receive content data from the content provider, the content data including: data identifying content, the content to be provided to a user by the content provider, and data for verifying that the content has not changed; access a blockchain associated with the content data, the blockchain including: validation information specifying instructions for validating the content, the validation information included in the blockchain comprising an algorithm for evaluating a level of accuracy of the content by assigning scores to various attributes of the content, the algorithm including different weights for the various attributes of the content, a first weight being assigned to an inaccurate fact parameter associated with the content, a second weight being assigned to another accuracy parameter associated with the content, the first weight having a greater effect on a final accuracy score than the second weight, the scores being weighted to produce the final accuracy score, the final accuracy score being compared to a threshold to determine the level of accuracy; perform, based on the validation information, a validation of the content to determine a measure of confidence that the content is accurate; store validation results of the validation in the blockchain, the validation results being stored in the blockchain as a transaction; and perform an action based on the validation results, where the one or more processor devices, when performing the action based on the validation results, are to: provide, to a content provider device associated with the content provider, data that causes display of a validation indicator with the content, the validation indicator being based on the validation results.