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Why many blockchain projects aren't fully on chain

Blockchain Myths | The Hybrid Illusion of On-Chain Technology

By

Lucia Bertolini

Aug 15, 2025, 09:36 AM

Edited By

David Kim

Updated

Aug 15, 2025, 03:37 PM

2 minutes reading time

A visual representation showing a blockchain with central nodes and decentralized elements, highlighting their interaction and dependencies.
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A rising number of people are questioning why many blockchains aren't fully on-chain. Analysts emphasize that despite strong foundational principles, most projects are hybrids and are not as decentralized as marketed, sparking renewed scrutiny from investors and users alike.

The Reality of Blockchain Centralization

The belief that all blockchain technologies are inherently fully on-chain is being challenged. While Bitcoin and Ethereum set the standard, only a few platforms, like the Internet Computer Protocol (ICP), can claim every component runs on-chain, including compute, storage, and governance. In fact, many users on forums have pointed out alternatives like Algorand, suggesting it could be one of the more original examples of true decentralization.

The Off-Chain Dependency and Its Risks

A true on-chain platform means every function operates solely on the blockchain, cutting out third-party reliance. Yet, many popular blockchains, including Solana and Avalanche, rely on a consensus layer on-chain while pushing functionality off-chain. Users are increasingly aware of this distinction.

"The moment you realize that the application you use depends on a centralized backend, the guarantees of decentralization no longer fully apply," noted one expert.

The growing discourse emphasizes that off-chain dependencies expose vulnerabilities; hacks often occur not on the blockchain itself but on the off-chain applications. "If the off-chain infrastructure goes down, the application breaks even if the ledger is still online," reported a concerned community member.

Interestingly, one user contributed insights about emerging technologies, stating, "thereโ€™s an entire emerging field to use ZK to do client-side proving off-chain and then publishing the proofs on-chain," highlighting potential solutions for faster execution without sacrificing verification.

Shifting Market Perspectives

The sentiment around hybrid blockchains is shifting to skepticism. Users argue that many projects seem decentralized due to reliance on external servers. This begs the question: how many blockchains can genuinely claim to be fully on-chain?

"Most crypto applications require minimal on-chain storage. Reducing the on-chain part significantly means it runs on a decentralized blockchain," shared one user.

Concerns on Exploitation

With the heavy lifting often pushed off-chain, the security claims of having a tamperproof system are weakened. Such attachments to centralized services increase the attack surface. Repeated incidents showing losses due to compromised backends further undercut trust.

Key Insights:

  • โœ… True decentralization requires complete on-chain integration.

  • โšก Centralized services boost vulnerability risk.

  • ๐Ÿ” Users should question processes behind touted decentralized solutions.

The urgency for transparency is evident. There's a critical need to define what "fully on-chain" means in today's landscape, as the demand for real decentralization grows. Interestingly, discussions around ICP reveal its capacity to run a complete stack directly on-chain, setting a benchmark for future projects.

The Future: A Move Toward Transparency?

Analyzing the trends, experts predict a high likelihoodโ€”around 60%โ€”that projects will begin redefining their approach to being fully on-chain. As awareness of centralized vulnerabilities spreads, developers may feel pressured to evolve their models. Overall, the choice between maintaining hybrid setups and pursue genuine decentralization is becoming increasingly pivotal.

The crypto landscape will likely be shaped by how projects adapt in the face of these growing expectations. As investors seek greater security protocols, the stakes are high: hybrid models risk eroding public trust and hindering wider mainstream adoption.