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$
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I will build custom blockchain pallets using rust substrate
Code and Conquer
Full-Stack Blockchain Developer | 3+ Years | 40+ Projects Delivered
I build production-ready Web3 applications: DeFi protocols, NFT marketplaces, Solana token launches, trading bots, and custom smart...
Level 1
Has met certain performance criteria and shows strong potential in the marketplace.
About this Gig
Building a custom blockchain on Substrate? I develop production-grade pallets and parachains using Rust that power real decentralized networks.
️SUBSTRATE EXPERTISE:
CUSTOM PALLET DEVELOPMENT:
- Token & asset management pallets
- Governance & voting systems
- Staking & rewards mechanisms
- DeFi protocols (DEX, lending, pools)
- NFT & marketplace pallets
- Oracle & price feed integration
- Smart contract pallets (ink!/EVM)
PARACHAIN DEVELOPMENT:
- Full parachain architecture
- Collator node configuration
- XCM cross-chain messaging
- Relay chain integration
- Cumulus framework implementation
RUNTIME ENGINEERING:
- Custom runtime development
- Forkless upgrades
- Weights & benchmarking
- Storage optimization
- Migration scripts
- Security best practices
INFRASTRUCTURE:
- Node deployment & configuration
- RPC & archive nodes
- Chain specification
- Genesis configuration
- Frontend integration (Polkadot.js)
TECH STACK:
Rust, Substrate/FRAME, Polkadot.js, ink!, Cumulus, XCM
PERFECT FOR:
Custom blockchains, parachains, DeFi protocols, governance systems, NFT platforms
️DISCUSS YOUR PROJECT BEFORE ORDERING
Secure - Scalable - Upgradable
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
Other Blockchain Development & Solutions Services I Offer
FAQ
Can you build a complete blockchain from scratch?
Yes! Standard package includes full Substrate chain with multiple custom pallets. Premium includes parachain configuration ready for Polkadot/Kusama integration.
What's the difference between a standalone chain and parachain?
Standalone: Independent blockchain. Parachain: Connected to Polkadot/Kusama relay chain for shared security and cross-chain communication. Premium package supports both.
Can you add smart contract functionality to my chain?
Absolutely! I can integrate ink! (Rust contracts) or EVM pallet (Ethereum compatibility) so developers can deploy smart contracts on your blockchain.
Do you provide frontend integration?
Basic: Backend only. Standard: Basic Polkadot.js examples. Premium: Complete React/Next.js frontend with wallet integration and transaction management.
How do runtime upgrades work?
Substrate supports forkless upgrades—your chain can upgrade without hard forks. I implement this properly with migration scripts and testing for smooth transitions.
What about testing and security?
All packages include comprehensive testing. Premium includes security hardening, audit preparation, and follows Substrate best practices for production chains.
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
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| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B blockn_io
Repeat Client
Malaysia
Third time working with Salman, the same profession despite being a student, but show great skill and responsibility during work. Will definitely continue to hire him and offer him all the projects in the coming 2024. All the best for him!
$200-$400
Price
4 weeks
Duration
Helpful?B blockn_io
Repeat Client
Malaysia
Project done perfectly and finalized in time. Help me thoroughly with my project testing phase and troubleshoot all the left out things. Appreciate the effort by Salman and I will be offering him a new task very soon!
$600-$800
Price
2 days
Duration
Helpful?B blockn_io
Repeat Client
Malaysia
Order Canceled
We encounter major problem during our development and since the duration is extended for 5 days, we both come to a consensus to cancel this order. However, Salman still didnt give up and try to solve the problem arised (even didnt get his sleep for the whole day). Salman finally solved this big issue...
$600-$800
Price
2 weeks
Duration
Helpful?O 
oz_pfbd_
Repeat Client
United Kingdom
Great Experience! completed the task on time, fully satisfied. Thank you.
Up to $50
Price
3 days
Duration
Helpful?
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B blockn_io
Repeat Client
Malaysia
Third time working with Salman, the same profession despite being a student, but show great skill and responsibility during work. Will definitely continue to hire him and offer him all the projects in the coming 2024. All the best for him!
$200-$400
Price
4 weeks
Duration
Helpful?B blockn_io
Repeat Client
Malaysia
Project done perfectly and finalized in time. Help me thoroughly with my project testing phase and troubleshoot all the left out things. Appreciate the effort by Salman and I will be offering him a new task very soon!
$600-$800
Price
2 days
Duration
Helpful?B blockn_io
Repeat Client
Malaysia
Order Canceled
We encounter major problem during our development and since the duration is extended for 5 days, we both come to a consensus to cancel this order. However, Salman still didnt give up and try to solve the problem arised (even didnt get his sleep for the whole day). Salman finally solved this big issue...
$600-$800
Price
2 weeks
Duration
Helpful?O oz_pfbd_
Repeat Client
United Kingdom
Great Experience! completed the task on time, fully satisfied. Thank you.
Up to $50
Price
3 days
Duration
Helpful?
