Immutability and Data Integrity
On-chain storage ensures that once data is added, it cannot be altered or deleted, providing strong guarantees of data integrity, unlike Web2 storage, which is subject to provider control and potential changes.

True Decentralization
Data stored on-chain is replicated across all nodes, ensuring complete decentralization and eliminating single points of failure. This is in contrast to Web2’s centralized nature and IPFS’s reliance on node pinning.

Data Provenance and Transparency
On-chain storage allows for full data provenance with an immutable record of all changes, offering greater transparency than Web2 or IPFS, which lack inherent traceable data history without external mechanisms.

Security
Blockchain’s use of cryptographic hashing and consensus mechanisms ensures high data security and resistance to tampering, surpassing centralized Web2 storage's vulnerability to breaches and IPFS’s dependency on additional security layers.

Data Permanence
On-chain storage guarantees long-term or even permanent availability, providing a significant advantage over Web2 storage that depends on continued service payments and IPFS, which lacks guaranteed permanence without external interventions.