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Blueprints for regulated onchain finance

21 end-to-end reference architectures for banks, EMIs, CASPs and asset managers building under MiCA, TFR and DORA. Each names the proven vendors, a named institution already running it in production, the regime it fits, and where it does not work.

The library21
RegimesMiCA · TFR · DORA
In production across
DeblockSG-FORGEDeelCorpayWorldlineSpiko
2016Building onchain finance since
250+Projects delivered
$2B+In assets secured
1M+Developers on our open-source tools
0Vulnerabilities
Trusted across 60+ networks and 95+ protocols
01

Banks and credit institutions

In-app trading, network rollout, staking.

02

EMIs, PSPs and payments

Stablecoin rails, EMT issuance, reserve assurance.

03

CASPs, neobanks and brokers

Earn, migration, cards, the compliance stack.

MiCA Art. 50

Stablecoin Earn on Client-Owned Vault Positions

Let clients lend idle stablecoin balances into a curated vault and earn what borrowers pay.

Live at Deblock +3
MiCA Recital 94

Credit Against a Client's Own Crypto Holdings

Lend fiat or stablecoins against a client's pledged crypto, marked and margined continuously.

Live at Relai +3
PSD2 + MiCA

Euro-Settled Crypto Acceptance on the Existing Terminal Estate

Accept crypto at the till and settle merchants in euro, with no change to the terminal fleet.

Live at Printemps +2
MiCA Art. 63

Distributing a Third-Party Euro E-Money Token

Add a euro stablecoin to your product on a licensed issuer's rails, with no issuance licence of your own.

Live at Bitpanda +1
Card scheme + MiCA

Crypto-Backed Cards With Self-Custodial Spend

Let customers spend on-chain balances with a card, while the program never takes custody.

Live at Gnosis Pay +2
MiFID II instrument

Tokenized Private Credit, With an Onchain Borrowing Loop

Issue an evergreen private-credit fund as a token, with the register kept continuously in sync.

Live at HLSCOPE +2
VASP cliff

Migrating Off a Lapsed VASP Registration Onto a Licensed CASP Rail

Your national registration has lapsed under MiCA - move the clients, the balances and the Travel Rule wiring onto an authorised provider's rail, keep your brand, and keep serving EU clients.

BitGo Europe GmbH · Zodia Custody Europe · Boerse Stuttgart Digital
MiCA + Travel Rule

The MiCA and Travel-Rule Compliance Stack for a New CASP

The onboarding, screening, travel-rule, record-keeping and continuity stack a MiCA-authorised CASP must run from day one - wired so each obligation produces its own evidence, not a reconstruction at examination time.

Live at Banking Circle S.A. +2
Threat monitoring

On-Chain Threat Monitoring With Pre-Authorised Automated Response

Answer defined on-chain threats in seconds from a pre-agreed matrix, bounded by limits you set.

Live at kpk +3
Not a CASP

A Listed Corporate Runs a Regulated Digital-Asset Treasury

Hold crypto on the corporate balance sheet with a licensed custodian and public-markets disclosure.

Live at Capital B +1
MiCA Title IV

Euro Accounts That Settle Into a Wallet the Customer Controls

Bind a bank account number to an address the customer holds the keys to, so an ordinary SEPA transfer arrives on chain and nobody in the middle ever holds the money.

Live at Monerium +4
04

Asset managers and corporates

Tokenized funds, share classes, treasury.

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