With each new Java platform release, the stewards of the language always include a few new preview features that can be toyed with only if a developer knows how to unlock the capabilities at runtime.

Learn how an immutable ledger uses hashes and chained timestamps to create tamper‑evident records, strengthen digital trust, ...

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Verifies that a hash of selected form field values matches an expected digest. Used to confirm that specific fields have not been tampered with after the ALTCHA Sentinel payload was signed.