Immutable, audit-ready transaction records for regulated businesses.
Ledger256 is an API layer that cryptographically certifies every transaction at the moment of execution. By storing hashes on an immutable ledger while keeping customer data off-chain, you create tamper-proof regulatory evidence while maintaining 100% GDPR erasure compliance.
Immutable transaction records are becoming EU law.
By July 2027, internal database logs won't be enough. Here is how Ledger256 protects you during an audit.
A deposit in March. An audit in June.
A customer deposit is processed and recorded.
The transaction is disputed, or the customer is flagged.
The regulator asks for the record of exactly what happened, and when.
Without Ledger256
Internal database logs carry no independent verification. During a regulatory audit under the new EU AMLR, proving your historical records were not altered or backdated requires costly, burdensome technical evidence.
With Ledger256
Transactions are cryptographically anchored at execution. You can instantly prove record integrity to regulators and auditors under eIDAS2 standards and satisfy EU AMLR Article 77 requirements.
Connect once. Prove any transaction, any time.
Designed to sit behind the transaction systems you already run.
Connect once
A single API connection behind your existing stack. Your team and customers keep working as usual.
Automated hashing
Transactions are cryptographically hashed and timestamped on the ledger in real time. Personal data stays strictly in your systems while immutable proofs anchor to the ledger.
5-year immutability
Cryptographic hashes remain on the ledger for at least five years (or your customer retention window). Entries are mathematically locked—neither your administrators nor ours can alter or backdate them.
Prove it on demand
When a regulator, auditor, or banking partner asks for proof, you can instantly verify that your active database record matches the immutable ledger receipt without exposing underlying personal data.
Cryptographic proof without privacy risk.
How Ledger256 delivers immutable audit trails while personal data stays in your systems, erasable under GDPR.
Cryptographic Hashes
- Immutable consensus verification
- Zero customer PII stored on-chain
- Records signed with cryptographic keys that prevent historical edits
Personal Data (PII)
- Names, account details, and raw logs stay in your database
- Full compliance with GDPR “Right to Be Forgotten” erasure requests
- Ledger proofs remain valid after PII is deleted
What it proves
- Existence: The exact transaction record existed at a specific point in time.
- Integrity: The record has not been altered or backdated since creation.
- Sequence: The strict chronological order in which events occurred.
What it doesn’t prove
- Business validity: It proves the data was not tampered with, not whether the transaction itself was legitimate.
- Unsent data: It certifies transactions captured at source; it cannot record events that bypassed your integration.
Ledger256 processes and stores all data inside the EU. Every ledger node runs in the EU.
One immutable architecture. Built for every regulated flow.
Designed to sit behind high-frequency transaction stacks.
iGaming operators and aggregators
High-volume wager logs, player deposits and instant withdrawals
Data privacy: zero PII on the ledger
Proof requested by: gaming regulators, AML supervisors (EU AMLR)
Crypto-asset service providers
Crypto-asset deposits, transfers, withdrawals and cross-exchange settlements
Data privacy: zero PII on the ledger
Proof requested by: MiCA supervisors, banking partners
Custody and settlement infrastructure
Settlements and transfers between counterparties
Data privacy: zero PII on the ledger
Proof requested by: counterparties, auditors
Banks, EMIs and payment firms
Payments and account transfers
Data privacy: zero PII on the ledger
Proof requested by: AML supervisors, internal audit
The architecture principle: the underlying cryptographic engine is identical in every sector. Only the transaction payload changes. A single API connection establishes automated proof for any regulated flow.
EU compliance isn't just about storing data. It’s about proving it hasn't changed.
None of these mandates a blockchain. Ledger256 delivers cryptographic proof on your existing databases without changing your stack.
What the rules ask
- 5-year retentionTransaction records kept for five years after the customer relationship ends.
- On-demand deliveryRecords produced for regulators and auditors on request.
- ImmutabilityRecords kept as references cannot be modified or altered.
- GDPR alignmentPII erased on schedule while ledger proofs remain valid.
The regulatory enforcement roadmap
eIDAS2 (Art. 45k)
Electronic ledger records cannot be refused as evidence in any EU court just because they are electronic.
e-Evidence Regulation (EU 2023/1543)
Authorities can demand data within 10 days, or 8 hours in an emergency, from online operators including iGaming. Financial services are excluded.
Transfer of Funds Regulation (Travel Rule)
Originator and beneficiary data must accompany crypto-asset transfers between service providers.
EU AMLR (EU 2024/1624, Article 77)
Directly applicable AML rulebook for all obliged entities. Records are kept for five years, and records kept as references cannot be modified or altered.
eIDAS2 and Ledger256
Legal admissibility
- Cannot be refused as evidence in any EU court today, under Art. 45k.
- Applies regardless of QEL status.
Burden of proof
- Qualified Electronic Ledger (QEL) status creates a legal presumption of integrity.
- Shifts the burden of proof to the challenging party.
Qualification status
- Built to the EU standards finalised in 2025.
- Applying for QEL qualification.
Team
Jonathan Glicksberg
20+ years in digital infrastructure. Led €20M compliance consolidation of 300+ legacy systems for Tier-1 pharma and regulated enterprise environments. Board-level digital transformation advisor.
Lori Lombardi
20+ years global executive leadership across US, EU, and Middle East markets. Co-founder of ICON Worldwide AG; specialist in scaling commercial operations, venture partnerships, and digital asset infrastructure in highly regulated industries.
Peter Genov
Architect of Ledger256’s ledger engine. Deep expertise in high-throughput distributed architectures, cross-chain state verification, and low-latency financial transaction engines. B.S. Computer Science, M.S. Finance.
Audit-ready proof for any transaction flow.
Test Ledger256 on any transaction without altering your core database architecture.