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zeekayandHanzo Dev cb39537c2f legal: relicense to MIT OR Apache-2.0 (HIP-0137)
HIP-0137 "One License" (hanzoai/hips, HIPs/hip-0137-one-license.md) puts
BSD-3-Clause out of scope for hanzoai: original Hanzo work takes the standard
MIT OR Apache-2.0 dual licence, and only forks keep an upstream licence.

LICENSE is now the dual declaration; LICENSE-APACHE and LICENSE-MIT carry the
two texts beside it. The existing copyright holder and years are preserved
verbatim.

Two inconsistencies are fixed with it: every .sol file declared a bare
SPDX-License-Identifier: MIT while LICENSE said BSD-3-Clause, and that LICENSE
was dated 2024 — before this repo first commit (2026-01-31). The four SPDX
headers now read MIT OR Apache-2.0 and the copyright year matches the root.

lib/openzeppelin-contracts, lib/openzeppelin-contracts-upgradeable,
lib/forge-std and lib/standard are git submodules, not vendored source. They
keep their upstream licences and are untouched.

Co-authored-by: Hanzo Dev <[email protected]>
2026-08-04 01:20:10 -07:00

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Licensed under either of
* Apache License, Version 2.0 (LICENSE-APACHE or
https://www.apache.org/licenses/LICENSE-2.0)
* MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)
at your option.
Unless you explicitly state otherwise, any contribution intentionally
submitted for inclusion in the work by you, as defined in the Apache-2.0
license, shall be dual licensed as above, without any additional terms or
conditions.
See HIP-0137 (hanzoai/hips) for the standard this follows.