Historical retrospective · NFTs

NFT metadata storage became a durability concern

NFT contracts commonly point to metadata that may live outside the blockchain, including on web servers or content-addressed storage systems.

Event / milestone year: 2021First published

The token can remain on-chain even if an image or metadata endpoint is unavailable, changed or controlled by a separate provider.

Storage choices became part of NFT due diligence rather than a purely technical footnote.

A token identifier alone does not guarantee permanent media hosting or intellectual-property rights.

Primary source

This retrospective summarizes the source below in original language. The displayed year refers to the dated event, proposal or specification; it is not the article’s publication date. This is not investment, legal or security advice.

Ethereum NFT documentation ↗