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Field guides

The working library.

Ten field guides. Each separates the source-backed rule from the suggested workflow and the evidence to retain.

Sheet: 007
Section: Field guides
Instrument: Compass card
Edition: 12 · XI · 2026

01BankingA bank account for a crypto company: build the evidence firstA working file for EU companies that need a fiat account alongside crypto activity. Start with the entity, the activity and the expected flow.

02BankingWhen a bank exits a crypto companySeparate a closure notice, a transaction review and a funds restriction. Then build an orderly response and migration record.

03Off-rampsFrom USDC to EUR: document every handoffA company treasury route from an identified wallet to a euro account, with a cost model and explicit settlement checkpoints.

04MiCAMiCA authorisation: map the service, then the fileAn operating guide to activity mapping, the contracting entity and the evidence behind a CASP authorisation application.

05Transfer dataThe travel rule: information travels with the transferOriginator, beneficiary and self-hosted-wallet checks, kept separate from the asset transfer and the commercial evidence.

06BankingIBAN discrimination or a different refusal?A fact-finding sequence for rejected euro payments, without treating every crypto-related restriction as an IBAN issue.

07BankingExplain a DeFi business to a fiat-account reviewerTranslate protocol activity into legal entities, revenue, control rights and a traceable treasury file.

08MiCAEMT, ART and the rights behind a stablecoinIdentify the referenced value, the issuer and the holder’s claim before comparing a stablecoin route with a euro balance.

09ReportingDAC8: organise the transaction record before reportingSeparate provider reporting, tax residence information and the company’s own accounting and tax obligations.

10BankingWhat a bank reviewer needs to understandBuild an indexed onboarding file that connects ownership, business activity, wallets, counterparties and expected euro flows.

NextKeep exploring

Read further before you sail.

The notebookField notesDated source notes on MiCA, transfer data, DAC8 and the bank leg.Read the notes Twenty termsGlossaryCASP, EMT, travel rule, redemption: what each term settles and what it does not.Open the glossary ConceptsExplainersLegal roles, execution, redemption and wallet control, separated.Read the explainers BulletinSubscribeFollow new field notes through RSS. No email list, no tracking.Get the feed