Tokenised credit retirement
Hypothetical. Not a client, not a result.
// The problem
A credit platform's buyers want public proof that a credit was retired once and on whose behalf, and the platform keeps that record in its own database.
// What we would build
Smart contracts on a public chain that mirror credits held in a recognised registry, one token per serial range, and burn them on retirement with the beneficiary recorded, plus a web app where buyers sign in with a wallet or email. Tokenised credits raise legal and registry questions that your advisers settle first, and we make no claim about what a credit is worth.
// What is in it
- Tokens issued only against registry serials held in the platform's account
- Retirement burns the token and records the beneficiary and the reason
- A public page for each retirement that anyone can check
- Wallet or email sign-in, with custody options set by the platform
- An independent smart contract audit before launch
// Stack
- Solidity
- OpenZeppelin
- Foundry
- Next.js
- Registry API
- AWS
// estimate
- Build
- ≈ US$132,000 to US$202,000, delivered within 29 weeksCAD 188,500 to 288,300
- Hosting
- ≈ US$492 a monthCAD 700 a month
- Support
- ≈ US$2,500 a monthCAD 3,565 a month
Prices in your currency are estimates from today's Bank of Canada rate. All invoicing is in CAD or USD.
Timeline by milestone
- Discovery
- 2.9 to 3.4 weeks
- Specification
- 0.4 weeks
- Design approved
- 4.9 to 8.4 weeks
- Core features
- 1.9 to 3.4 weeks
- Full build
- 1.4 to 2.4 weeks
- Contracts and tests
- 2.9 to 4.9 weeks
- Testing and fixes
- 0.4 weeks
- Testnet deployment
- 2.9 to 3.4 weeks
- Launch
- 0.9 to 1.4 weeks
- Mainnet
- 0.9 to 1.4 weeks
- Walkthrough with the assurance provider
- 0.9 to 1.4 weeks
Outside our hands, and added to the calendar
- An outside audit of the contracts, if you want one
- 2 to 4 weeks
- System access from your IT team
- 1 to 4 weeks
- Independent smart contract audit
- 2 to 4 weeks
How it is paid
- Deposit 20%
- CAD 37,700 to 57,660
- Discovery 3%
- CAD 5,655 to 8,649
- Specification 5.5%
- CAD 10,367.50 to 15,856.50
- Design approved 3%
- CAD 5,655 to 8,649
- Core features 9.2%
- CAD 17,342.00 to 26,523.60
- Full build 6.1%
- CAD 11,498.50 to 17,586.30
- Contracts and tests 16.7%
- CAD 31,479.50 to 48,146.10
- Testing and fixes 3%
- CAD 5,655 to 8,649
- Testnet deployment 5.5%
- CAD 10,367.50 to 15,856.50
- Launch 3%
- CAD 5,655 to 8,649
- Mainnet 5.5%
- CAD 10,367.50 to 15,856.50
- Walkthrough with the assurance provider 9.5%
- CAD 17,907.50 to 27,388.50
- Holdback, 30 days after launch (10%)
- CAD 18,850 to 28,830