Token Development

Defined Supply and Permissions|Token Lifecycle Engineering|Application and Ledger Integration

Sphere 10 develops token systems with explicit issuance, transfer and administration rules. We build the on-chain implementation and the .NET services required to issue, account for and support the token in your product. The scope follows what the token represents and the operations your organisation must control.

Specify Supply Before Writing the Contract

We establish the unit of account, decimal precision, initial allocation and permitted changes to supply. Minting, burning, vesting, transfer restrictions and delegated spending each need a defined authority and observable outcome. Administrative permissions and key custody are designed alongside the customer functionality, including how those powers may be transferred or revoked.

For fungible EVM tokens, ERC-20 and established OpenZeppelin components provide an interoperable base. Additional rules are assessed against wallets and applications that must use the token. We document the effect of each extension so a product-specific requirement does not accidentally break the integration expected by users or partners.

Build the Operational Ledger Around the Token

Our C# services use Nethereum for contract interactions and event ingestion. They associate on-chain movements with the business records your application owns, while keeping confirmed balances distinct from pending requests. ASP.NET Core exposes the required APIs and administration functions; Sphere10 Framework supports data access, lifecycle and diagnostic logging.

BlockchainSQL Server demonstrates our approach to translating chain data into a relational reporting model. We apply that discipline to allocation reports, transfer histories and supply reconciliation. The token contract remains the authoritative source for the state it controls, with recoverable projections for application queries.

A token specification covering supply, precision, allocations, permissions and supported operations.
Contract source, tests, deployment artefacts and the agreed administration configuration.
Issuance or distribution tools with approvals and a clear record of submitted actions.
A .NET indexing and reconciliation service with reports for balances, transfers and supply.

Prove Accounting and Permission Boundaries

Acceptance checks conservation rules, decimal handling and the effects of every permitted supply change. We test unauthorised minting, exhausted allowances, repeated submissions and failed transfers. Integration tests compare application reports with on-chain state and show how delayed events or a restarted indexer return to a consistent view.

Handover includes contract addresses, ABI files, configuration, source and procedures for administrative actions. We agree the release process and any independent contract review before deployment. Ongoing monitoring and operational support can be included under Project Execution, with future token changes assessed against the original supply and permission specification.

Platforms & Tooling

.NET C# ERC-20 Solidity OpenZeppelin Nethereum SQL Server Sphere10 Framework

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