Unexpected Web3 Development Challenges: Solutions from the Field

Building decentralized applications presents obstacles that traditional software developers rarely encounter. This article examines three common Web3 development challenges and offers practical solutions gathered from experienced blockchain engineers. Learn how to handle wallet interactions, implement upgradeable smart contracts, and communicate complex concepts to non-technical users.

• Enable Upgrades with Proxy and Modularity
• Translate Crypto Jargon to Plain English
• Clarify Transactions and Streamline Wallet Approvals
• Thwart MEV with Commit Reveal and Privacy
• Stabilize Oracles with TWAP and Failsafes
• Handle Reorgs with Finality and Confirmations
• Prevent Reentrancy with CEI and Guards
• Tame Gas Spikes with Batches and L2

Enable Upgrades with Proxy and Modularity

An unexpected obstacle for enterprises developing systems using Web3 is immutability, or the inability to make changes to their codebase, which causes complications with operational risk. Most software allows for the update of a company’s code after it has been deployed due to bugs and changes in business practices, but smart contracts are designed to be “static” or unchangeable at the time of deployment; if a company needs to update their smart contract after it has been deployed, they cannot access it. Companies needing flexibility will typically overlook the issue of immutability during their original planning phase.

To solve this problem, we created a modular structure that creates a separation of state and logic with a proxy pattern. Our design separates an end-user-facing contract address from its underlying implementation, allowing for any modifications (updating security and adding features) without having to deal with the migration of user accounts. The key takeaway for any enterprise entering the space would be to build for growth and changes, versus creating a monument to the first deployment.

Sudhanshu Dubey, Delivery Manager, Enterprise Solutions Architect, Errna

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Translate Crypto Jargon to Plain English

One unexpected challenge we faced while developing ChainClarity in the Web3 space was the overwhelming complexity of the terminology and concepts inherent to blockchain and crypto technology. As we sought to create a platform that simplifies access to this information, we quickly realized that many users, including potential investors, found technical jargon a significant barrier to entry. This was particularly evident when analyzing over 560 protocol whitepapers, which are often dense and filled with specialized language that can alienate newcomers.

To address this challenge, we implemented a dual-approach strategy: first, we focused on creating plain-English analyses of each whitepaper, distilling complex concepts into easily digestible content. For instance, our team systematically broke down terms like “decentralized finance” and “layer-2 solutions,” using real-world analogies and practical applications to enable better understanding. Additionally, we utilized our expertise in AI-powered content strategies to refine our educational materials, ensuring they are not only precise but also tailored to meet the needs of different user demographics.

Moreover, we employed an SEO-driven publishing strategy to enhance visibility and reach of our educational resources. By targeting keywords and questions that potential investors commonly search for, we ensured that our content not only educated but also attracted traffic and engagement. This multi-faceted approach has allowed us to turn a potential obstacle–the complexity of crypto education–into a cornerstone of our mission, helping demystify this innovative space for countless individuals.

Roman Vassilenko, Founder, ChainClarity

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Clarify Transactions and Streamline Wallet Approvals

One thing that caught us off guard in Web3 development was how much user trust and onboarding affected adoption compared to the underlying technology itself.

From the engineering side, building the functionality was often manageable. The harder part was designing flows that didn’t confuse users once wallets, approvals, transaction signatures, and network switching entered the experience. Even technically solid products created friction if users weren’t fully confident about what they were approving or where assets were moving.

A lot of the adjustments ended up being around simplifying the experience, improving transaction clarity, and reducing unnecessary complexity during onboarding instead of focusing only on the blockchain infrastructure underneath.

Cache Merrill, Founder, Zibtek

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Thwart MEV with Commit Reveal and Privacy

MEV attacks can slip in through the public mempool and profit from user trades. Common signs are front-running and sandwich trades that move prices against users. A commit and reveal flow hides the real intent until it is too late for bots to copy it.

Private relays or bundles keep orders out of the open mempool and cut the chance to attack. Adding tight slippage limits and slight time jitter can further blunt simple MEV bots. Protect users by pairing commit and reveal with private relays, and put these shields in place now.

Stabilize Oracles with TWAP and Failsafes

Price feeds can drop or lag, which can push apps into bad trades. Using many sources and an on-chain mix can hold a fair price when one feed breaks. Heartbeats, stale checks, and bounds can halt risky actions when data looks wrong.

A time weighted average price can soften sharp moves from brief glitches. A safe mode that pauses or caps trade size gives time to recover without loss. Add diverse oracles, strict checks, a time weighted average price, and a safe mode, and test these paths today.

Handle Reorgs with Finality and Confirmations

Chain reorganizations can replace recent blocks and undo events that apps relied on. This can lead to double actions, ghost receipts, or wrong balances in off-chain stores. Waiting for deeper confirmations lowers this risk, and using finality on proof of stake helps more.

Idempotent writes and reorg aware indexers keep state correct when the chain shifts. For users, optimistic screens should reconcile once the deeper block is set. Review confirmation depth, event handling, and indexing today, and harden for reorgs now.

Prevent Reentrancy with CEI and Guards

Reentrancy lets a called contract jump back into the caller before state is safe. This can drain funds or break logic if balances are updated after the call. The checks, effects, interactions pattern sets all state first and only then makes calls out.

A reentrancy guard and pull payments further block repeat entry and lower risk. Static analysis, fuzzing, and small unit tests can catch edge cases that code review might miss. Lock down external calls with the pattern and guards, and schedule a full test pass now.

Tame Gas Spikes with Batches and L2

Gas prices can swing fast and make normal fees too high or unpredictable. Users may see failed sends or pay far more than planned when spikes hit. Batching many steps into one call can cut overhead and smooth costs.

Moving heavy work to a layer 2 rollup keeps fees low while still using base chain security. Setting max fee and tip buffers under EIP-1559 helps deals go through without waste. Define a clear fee policy, batch flows, and add an L2 path, and start rolling this out now.

Related Articles

• Web3 Development Challenges: How Are Developers Overcoming Them? – BlockTelegraph
• Overcoming Blockchain Challenges: Insights from the Experts – BlockTelegraph
• Navigating Tough Decisions in Web3: Stories from the Trenches