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Use a blockchain when the trust problem is real. Not before.

Tokenized assets, settlement rails, and verifiable provenance — engineered by a team that has been shipping on-chain systems since 2016, and that will tell you when a database is the better answer.

Service lines

06

Accelerators

04 reusable assets

Typical entry

Three weeks

You keep

Code, docs and runbooks

01Our view

The question is never 'which chain'. It is 'who has to trust whom, and why won't they'.

Distributed ledgers solve a narrow and genuinely valuable problem: letting parties who do not fully trust each other agree on a shared record without appointing a referee. Where that problem exists — multi-party settlement, asset provenance across a supply chain, collateral moving between institutions — the technology is transformative.

Where it does not exist, a blockchain is an expensive, slow, operationally fragile database with a worse developer experience. A great deal of enterprise blockchain spending has gone into rebuilding single-party systems on infrastructure designed for adversarial ones.

So we start with the trust map: who the parties are, what each can independently verify today, and what breaks when one of them behaves badly. If that map justifies a ledger, we build it properly — with the key management, auditability and regulatory posture that institutional capital actually requires. If it does not, we say so and build the right thing instead.

02Service lines

What we actually do in blockchain.

Named, scoped and independently buyable. Most engagements combine two or three.

01

Tokenization & real-world assets

Representing funds, receivables, credits and physical assets on-chain with a defensible legal and custody model.

  • Token standard selection and permissioned-transfer design (ERC-3643, ERC-1400 and equivalents)
  • Whitelisting, transfer restrictions and lifecycle events that mirror the offering documents
  • Custody, key ceremony and recovery design with qualified custodians and MPC providers
02

Smart contract engineering & audit readiness

Contracts written to be reviewed — because on-chain code is the least forgiving code your business will ever run.

  • Solidity, Rust and Move development with property-based and invariant testing
  • Formal specification of critical invariants before implementation begins
  • Internal review, static analysis and preparation for third-party audit; remediation support
03

Payments, settlement & stablecoin rails

Moving value across borders and counterparties with deterministic finality and clean reconciliation.

  • Stablecoin treasury operations, on/off-ramp integration and FX routing
  • Atomic settlement and delivery-versus-payment flows between institutions
  • Reconciliation into existing ERP and general-ledger systems — the part everyone underestimates
04

Provenance & verifiable supply chains

Cryptographic proof of origin, custody and condition across parties that do not share a system of record.

  • Event anchoring, credential issuance and selective disclosure
  • IoT and sensor attestation at the physical-digital boundary
  • Traceability aligned to ESG, pharmaceutical and food-safety reporting obligations
05

Blockchain-as-a-Service

Managed node infrastructure and environments so your team ships features instead of operating consensus.

  • Hosted validators and archive nodes with monitoring, alerting and upgrade management
  • Indexing, subgraph and API layers over on-chain state
  • Isolated prototyping environments that promote cleanly into production
06

Digital asset compliance & controls

The control environment that lets a regulated institution touch this asset class at all.

  • Travel Rule, KYC/AML and sanctions screening integration
  • On-chain analytics, transaction monitoring and exposure reporting
  • Governance, segregation of duties and incident response for key material
03Accelerators

We do not start from zero.

Reusable engineering assets we bring into engagements — reference architectures, tested component libraries and assessment methods. They are yours to keep and modify; nothing here is a runtime you have to keep licensing.

Diagnostic method

Trust Map

A structured assessment that determines whether a distributed ledger is warranted — before anyone writes a contract.

Contract library

Permissioned Token Kit

Reviewed, tested implementations of restricted-transfer token patterns with lifecycle and registry hooks.

Integration pattern

Settlement Reconciler

Deterministic mapping from on-chain events into ERP and general-ledger entries, with break detection.

Infrastructure blueprint

Node Fabric

Terraform-defined multi-chain node estate with observability, key isolation and upgrade runbooks.

04How we hold ourselves

Four commitments, each with a cost.

01We will talk you out of it
If your trust map does not justify a ledger, we say so in week one, and we would rather lose the work than build the wrong thing. A distributed ledger is a poor database, and most of what it is asked to solve is not a trust problem.
02Immutable code needs mutable process
Upgrade paths, pause mechanisms and incident runbooks are designed before launch, because the alternative is a public failure you cannot patch.
03Keys are the actual product
Custody and key management get more design attention than the contracts. That is where the losses happen.
04Regulators are a design input
Compliance posture is set at architecture time. Retrofitting it onto a live ledger is the most expensive thing in this field.
05Where clients start

Trust Map & Architecture Review

Three weeks · fixed scope · fixed price

Before capital is committed, an independent read on whether distributed-ledger technology is the right instrument for your problem — and if it is, what the credible architecture looks like.

What you receive

05 outputs

  1. 01Trust map of counterparties, failure modes and verification gaps
  2. 02Go / no-go recommendation with the reasoning written down
  3. 03Network, token standard and custody model recommendation
  4. 04Regulatory and control-environment assessment
  5. 05Delivery plan with audit milestones and cost envelope
06Technology

What we build on — and why it is a shortlist, not a religion.

We are deliberately fluent across the credible options in each layer so that the choice can be made on your constraints rather than on ours.

Networks

  • Ethereum
  • Base
  • Arbitrum
  • Polygon
  • Solana
  • Avalanche
  • Hyperledger Fabric
  • Canton

Languages & tooling

  • Solidity
  • Rust
  • Move
  • Foundry
  • Hardhat
  • Slither
  • Echidna

Custody & keys

  • MPC custody
  • HSM
  • Fireblocks-class providers
  • Multi-sig governance
  • Threshold signing

Data & compliance

  • The Graph
  • Chainlink
  • On-chain analytics
  • Travel Rule providers
  • Sanctions screening
Next step

Talk to someone who has built this before.

Most engagements start with a short, fixed-scope diagnostic — three to four weeks, a written recommendation, and a costed path forward. If we are not the right firm for it, we will say so and point you somewhere better.

Mercrest Group Inc., 1111B S Governors Ave, STE 34163, Dover, DE 19904