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ASVSI
Web3 developmentSolidity & smart contractsWallets & payments

Web3 product support built around practical delivery and safer launches.

ASVSI is a Web3-focused practice led by Vishwajeet, supporting teams with smart contract work, wallet and payment flows, blockchain app delivery, and launch-readiness guidance.

Connect customer wallets
Test contract code
Launch on a blockchain
Lower transaction fees
Check for security risks
Crypto Payments

Who we help

We work with teams that need blockchain capabilities to feel clear, credible, and operationally safe for real users.

Startups

Move from concept to delivery with a clearer product flow, safer implementation choices, and better attention to wallet and contract experience.

Build with fewer surprises during launch.

Web3 teams

Improve the parts of your product that often slow delivery most: wallet UX, payment flow, smart-contract integration, and product reliability.

Work through technical decisions with more clarity.

Enterprises

Assess blockchain requirements with a focus on governance, operational clarity, and a more dependable foundation for product rollout.

Evaluate blockchain fit with more structure.

Common product and delivery challenges

The goal is not only to ship code, but to make the product easier to understand, easier to test, and more dependable before launch.

Wallet onboarding flow

Challenge

A product needed a clearer first-time wallet experience and a smoother path for users connecting and interacting on-chain.

Solution

ASVSI looks at the wallet flow, connection steps, and network handling to identify points of friction and recommend a more straightforward path.

Result

A more predictable onboarding flow and clearer user guidance.

Wallet UXWagmiRainbowKitdApp flows

Smart contract review

Challenge

A product team wanted a more structured way to assess contract logic before release and reduce uncertainty around launch readiness.

Solution

The work includes reviewing contract logic, testing likely failure paths, and documenting practical remediation steps.

Result

A clearer risk picture and a more confident release process.

Security reviewSolidityTestingRelease planning

Crypto payment flow

Challenge

A product needed a simpler payment experience that felt easier to understand and more trustworthy for users handling crypto transactions.

Solution

The focus is on mapping the user journey, clarifying transaction states, and aligning the payment flow with the right blockchain logic.

Result

A cleaner payment experience and clearer transaction status handling.

PaymentsOn-chain flowsOperationsUX

Founder-led delivery

ASVSI works directly with product teams to make technical decisions clearer, implementation more structured, and launch planning more practical.

AS

Founder

Vishwajeet

The work is grounded in practical experience across Web3 development, Solidity-based smart contract implementation, blockchain app delivery, and product-focused problem solving. The focus is to help teams build products that are easier to use, easier to reason about, and more dependable in practice.

Web3 developmentSoliditySmart contract securityNext.js & product apps
GitHubPortfolioasvsi.com@gmail.com

Security-first mindset

Smart contracts and wallet flows are reviewed with a focus on reliability before launch.

Product-aware execution

The work blends secure blockchain engineering with user-focused product thinking and launch planning.

Practical delivery

From wallet UX to contract logic and deployment support, the focus is on shipping with confidence.

What we can help with

From early product planning to delivery and launch support, we help teams shape blockchain capabilities that are more usable, more transparent, and easier to operate.

Wallet and account experiences

Create clear wallet flows, correct network handling, and a smoother on-chain user journey that feels reliable from first click to final action.

  • Support MetaMask, Coinbase Wallet, and others
  • Handle network changes and connection issues
  • Show token and NFT balances

Security review and remediation

We review smart contract logic, test for common and complex failure paths, and provide practical guidance to reduce risk before launch.

  • Clear reports ranked by risk
  • Tests for expected and unexpected behavior
  • Practical steps to fix issues

Contract deployment and verification

Prepare a dependable launch process across the right networks, verify source code clearly, and keep deployment decisions documented and reviewable.

  • Careful deployments with a recovery plan
  • Support for Ethereum, Polygon, and other networks
  • Plan for contracts that need future updates

Gas and execution efficiency

Review where unnecessary on-chain cost is being introduced, then target improvements that reduce spend without compromising reliability.

  • Measure current transaction costs
  • Focus on changes that make a real difference
  • Compare costs before and after updates

Crypto payment flows

Add a cleaner checkout experience for crypto payments, with clear status updates and a reconciliation path your team can trust.

  • Support popular coins and stablecoins
  • Choose the networks that fit your customers
  • Connect payment updates to your existing systems

Blockchain data integration

Connect trusted external data to your workflows or organize on-chain activity so your product can search, display, and act on it more effectively.

  • Connect price and other data feeds
  • Find transactions and events quickly
  • Build dashboards around live activity

Treasury and governance setup

Create safer approval paths and shared wallet controls so critical funds and operational decisions are not dependent on one individual.

  • Decide who can approve actions
  • Add voting or waiting periods
  • Set clear treasury rules

Ongoing product support

Keep dependencies, contracts, and integrations healthy over time with review cycles, operational support, and the right guidance when changes are needed.

  • Regular health and security checks
  • Alerts and response guidance
  • Ongoing support options

Starting prices

Choose a starting point. We’ll confirm the scope and final price before work begins.

Starter

$799

For a first release or pilot

  • Connect wallets on one network
  • Accept one type of crypto payment
  • Automated smart contract security report
  • Launch on one blockchain network

Growth

Most Popular
$2,499

For a growing product

  • Support several wallets with a tailored design
  • Accept multiple tokens, with optional held payments
  • Automated checks plus hands-on security review
  • Launch on multiple blockchain networks
  • Review ways to lower transaction fees

Enterprise

Custom

For complex or established products

  • Monitoring and agreed support response times
  • Contracts designed for planned updates
  • Connect data sources and build reporting dashboards
  • Dedicated guidance and team training

Tell us what you’re building

Share your goals and constraints. We’ll review your brief and suggest a practical next step.

Project Brief

Please don’t include passwords, private keys, or wallet recovery phrases. We use these details to respond to your inquiry. See our Privacy Notice.

WalletsPaymentsSmart ContractsSecurity

Why ASVSI?

Security-first delivery with clear review paths and practical implementation guidance.

Focused execution for teams that need dependable blockchain product delivery.

Operationally relevant improvements tied to product outcomes, trust, and long-term maintenance.