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crypto-database

The database that can prove it never lied.

PyPI npm crates.io Python licence free under $1M

One version across npm · PyPI · crates.io — every release ships aligned.


crypto-database is a content-addressed, hash-chained, time-traveling datastore. Every version of every record is an immutable, BLAKE2b-verified object in a Merkle DAG — nothing is ever overwritten, and the store can prove its own integrity on demand.

If your data is evidence — ledgers, audit trails, provenance, anything you may one day have to defend — crypto-database makes the history itself tamper-evident and replayable.

Why crypto-database

  • 🔒 Tamper-evident by construction. verify() re-hashes every object against its content address. Flip a single byte on disk and it's caught — silently impossible to forge history.
  • ⏪ Time-travel is a query. AS OF <seq> returns the exact state at any point. VALID AS OF <time> adds bi-temporal validity — what was true, as of when.
  • 🧬 Causal provenance. caused_by links every record to the facts that produced it; TRACE walks the graph. Audit why, not just what.
  • 🔐 Encrypted at rest (AES-256-GCM), RESP2 wire protocol, SQL / Redis / Mongo adapters, a nedbd-v2 server daemon.

Install

npm install crypto-database   # Node (native addon)
pip install cryptodb          # Python  ← note the PyPI name
cargo add crypto-database     # Rust

Why the split name? crypto-database was already taken on PyPI by an unrelated project, so the Python distribution keeps the original cryptodb name there. npm and crates.io publish as crypto-database. Same engine, same version, same code — only the registry labels differ.

Reach for it when

Audit logs · financial & token ledgers · compliance trails · supply-chain provenance · anything where provable, replayable history is the product, not a nice-to-have.

import { NedbCore } from "crypto-database";
const db = new NedbCore();
db.put("ledger", "acct:alice", JSON.stringify({ balance: 100 }));
db.put("ledger", "acct:alice", JSON.stringify({ balance: 250 }));
db.getAsOf("ledger", "acct:alice", 0n);   // → balance 100, the past, intact
db.verify();                               // → true: nothing was tampered

crypto-database (previously CryptoDB) is a distribution of the NEDB engine, tuned for verifiability. Engine development happens upstream at Eth-Interchained/nedb. © Interchained LLC.

Metadata

Release files for cryptodb 5.0.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for cryptodb 5.0.0
File Size Uploaded
cryptodb-5.0.0.tar.gz 88.1 kB Details

Built distributions (wheels)

Table of built distributions (wheels) for cryptodb 5.0.0
File Interpreter ABI Platform
cryptodb-5.0.0-py3-none-any.whl Python 3 none any Details
cryptodb-5.0.0-cp38-abi3-macosx_11_0_arm64.whl CPython 3.8 abi3 macOS 11.0+ ARM64 Details
cryptodb-5.0.0-cp38-abi3-macosx_10_12_x86_64.whl CPython 3.8 abi3 macOS 10.12+ x86-64 Details

Total release size: 3.1 MB

Release files / cryptodb-5.0.0.tar.gz

Download URL cryptodb-5.0.0.tar.gz
Size 88.1 kB
Tags Source
SHA-256 checksum
How to use checksums
bb9af61da3cba93ee7df91c160ef20d1b5db587c7f31a3adedb8bbbb5465ea3f
BLAKE2b-256 checksum
How to use checksums
d57d26b8a95fbe6a56feb25e4a0a22a99ce2b05146ba6a10311904fbbf1edaa9
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Uploaded via twine/7.0.0 CPython/3.11.16

Release files / cryptodb-5.0.0-py3-none-any.whl

Download URL cryptodb-5.0.0-py3-none-any.whl
Size 95.9 kB
Tags Python 3
SHA-256 checksum
How to use checksums
952de7c605a0125a97279ce3c9104b4aa1aad0b9918118cc0c470ed46f225669
BLAKE2b-256 checksum
How to use checksums
ad5a0f5c5af04da0ecd4108f7247534801489328974275732d8d9a65b25cc353
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Uploaded via twine/7.0.0 CPython/3.11.16

Release files / cryptodb-5.0.0-cp38-abi3-macosx_11_0_arm64.whl

Download URL cryptodb-5.0.0-cp38-abi3-macosx_11_0_arm64.whl
Size 1.4 MB
Tags CPython 3.8 abi3 macOS 11.0+ ARM64
SHA-256 checksum
How to use checksums
6e70f97a2a1757ff617fffa453d7436cd5165a11cbc64ef7b7feebea8889fc6c
BLAKE2b-256 checksum
How to use checksums
fd82444c222698622f79a216c605dc4138686cfcdd542e62fb13a8925ac36531
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Uploaded via twine/7.0.0 CPython/3.12.7

Release files / cryptodb-5.0.0-cp38-abi3-macosx_10_12_x86_64.whl

Download URL cryptodb-5.0.0-cp38-abi3-macosx_10_12_x86_64.whl
Size 1.5 MB
Tags CPython 3.8 abi3 macOS 10.12+ x86-64
SHA-256 checksum
How to use checksums
d18f520f10427eb0340926b5a7a5522e2ab2e1d7180748215284f66b7926b67f
BLAKE2b-256 checksum
How to use checksums
b955d361289d4bc8442f2d40e3bcb781183db9333186e8b7ce455ef197cb8692
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Uploaded via twine/7.0.0 CPython/3.12.7

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