The legal structure nobody mapped
The rights a token carries were never mapped to the smart contract, so the token is an expensive database entry instead of an enforceable claim.
Tokenization and digital wallets, designed, built and operated by a senior team that has shipped consumer crypto where a defect is a headline, not a ticket.
30 minutes with a senior engineer who has built wallets in production. You leave with a clear view of what's worth putting on-chain, and what isn't.
Why Projects Stall
Most blockchain projects stall in the same places. Periscope designs tokenization and wallet systems the way we design everything else, around the controls, integrations and audit trails your business already answers to. Public chain, permissioned network or hybrid, chosen for the workload, not the hype cycle.
The rights a token carries were never mapped to the smart contract, so the token is an expensive database entry instead of an enforceable claim.
No recovery, rotation or approval policy for the keys that move real value, until the day a device is lost or an employee leaves.
On-chain balances that never match the core banking system, so finance and audit can't sign off on the numbers.
What We Build
Tokenization platforms, wallets, smart contracts and the integrations that make them useful to the rest of the business, secured and monitored like every other production system.
Turn real-world and financial assets into programmable, transferable digital tokens, with the compliance built into the token itself.
Wallets people trust with real money, consumer-grade experience, institutional-grade security.
Selected workBRD → Coinbase
Contracts written like they can't be patched, because often they can't.
A token is only useful if the rest of the business can see it.
Keys are credentials. We treat them with the same discipline as every other non-human identity.
By Design
We design for all three from day one. Every Periscope tokenization or wallet build carries these six decisions, scoped to the asset and the users in front of us.
What the token represents, who may hold it and what rights it carries, mapped with your counsel before a line of contract code is written.
Decides whether the token is an enforceable claim or an expensive database entry.
Public, permissioned or hybrid, selected on privacy, finality, cost and where your counterparties already are.
Decides who can participate, what it costs per transaction and whether you can change course later.
Self-custody, custodial, MPC or multi-sig, with recovery, rotation and approval policies written down.
Decides what happens the day a device is lost, an employee leaves or a key is compromised.
Identity checks, transfer restrictions, jurisdiction rules and freeze/recovery functions enforced at the token level.
Decides whether compliance holds up automatically or depends on someone remembering.
On-chain events flowing into core systems, with the ledger and the books of record matching every day.
Decides whether finance and audit can sign off on the numbers.
Contract, wallet and transaction monitoring with alerting, incident runbooks and monthly reporting.
Decides whether you find out about a problem from your dashboard or from your customers.
Where It Fits
The use cases where on-chain assets and digital wallets beat the conventional alternative, and where we most often start.
Tokenized deposits, digital asset custody for clients and faster interbank settlement.
Tokenized fund shares with fractional ownership, automated distributions and 24/7 transferability.
Embedded wallets, stablecoin payments and crypto features inside an existing app.
Fractional ownership, investor registries and automated cap-table management.
Asset provenance, traceability and tokenized inventory or carbon credits.
Parametric policies that pay out automatically against verified data.
Selected Work
Consumer Fintech · Wallet Engineering
Wallet extensions for BRD, the self-custody crypto wallet later acquired by Coinbase. Consumer-grade product engineering for users holding real assets, where security and reliability were non-negotiable.
Acquired by Coinbase after our engagement
Ways to Start
We look at your assets, customers and regulatory position and tell you which use cases are worth tokenizing first, and which aren't worth doing at all. You keep the map, whatever you decide.
Book the reviewA read-only review of your wallet architecture, key management, contract code and signing flows, returned as a ranked findings list with a remediation plan.
Request a reviewA working token on a test network, issued, transferred and reconciled against a mock of your system of record. Plus a costed build plan and a compliance-control map. Not a whitepaper, something your team can click.
Request a quoteQuestions
What banking, fintech and compliance leaders ask before they put an asset on-chain.
Not necessarily. Public chains offer reach and liquidity; permissioned networks offer privacy and control. Many enterprise projects use a hybrid. We recommend the network that fits your counterparties, privacy needs and cost, and we'll tell you if a conventional database would do the job better.
That depends on the asset, the investors and the jurisdictions involved. We work alongside your legal counsel, not in place of them, and we build their requirements directly into the token: who can hold it, who can transfer it and under what conditions.
It depends on who holds responsibility for the keys. Self-custody gives users full control; custodial and MPC wallets suit institutions and customers who expect account recovery. Many products offer both. We map the choice to your regulatory obligations and your users' expectations.
The same way we protect every credential: never in code, never long-lived without reason, never under one person's control. We use HSMs, MPC and multi-signature approval policies, with rotation, recovery procedures and monitoring for abnormal signing activity.
Yes, that's usually where the real work is. We build APIs and event pipelines so on-chain activity lands in your systems of record, with daily reconciliation that finance and audit can rely on.
We do rigorous internal review, testing and pre-audit hardening on everything we write, and we coordinate independent third-party audits before anything handling real value goes live. We recommend an external audit for any production contract.
Yes. We apply the same agentic tooling we build elsewhere to transaction monitoring, investor onboarding, KYC document processing and reconciliation, with approval gates and audit logs on every action.
Tell us what you want on-chain.
30 minutes, a senior engineer, and an honest read, including "don't put that on a blockchain" when that's the truth.
Book a roadmap session