hi👋 i want to know s3 service can guarantee about irreversible modification

Question

I am curious if it is possible to apply NFT tokenization to protect the copyright of a design file and store it in an S3 storage in an irreversible and unmodifiable state.

its need me and all aws service also cant modification and delete about user uploaded file on s3

thanks

Accepted Answer

S3 Object Lock can be used to prevent objects from being changed indefinitely https://docs.aws.amazon.com/AmazonS3/latest/userguide/object-lock.html

> Object Lock can help prevent objects from being deleted or overwritten for a fixed amount of time or indefinitely. You can use Object Lock to help meet regulatory requirements that require WORM storage, or to simply add another layer of protection against object changes and deletion.

Answer

Hi, you want to use AWS Backup Vault Lock for your purpose: https://aws.amazon.com/blogs/storage/enhance-the-security-posture-of-your-backups-with-aws-backup-vault-lock/

```
When dealing with backups, data managers frequently ask, “how do I prevent 
my backups from being accidentally or maliciously deleted?” or “what can I do 
to enhance protection against ransomware?” In highly regulated industries, WORM* (
write-once-read-many) compliance is required for backups and archives. WORM compliance 
means immutability and an immutable backup helps in the recovery from accidental and 
malicious actions by ensuring that you have a backup copy to recover from no matter 
what. It is the last line of defense when protecting yourself from malicious action.
```

You would store your NFT on S3 and create a protected backup via Vault Lock to make it permanent.

Best,

Didier

hi👋 i want to know s3 service can guarantee about irreversible modification

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