diff --git a/merkle/Cargo.toml b/merkle_old/Cargo.toml similarity index 100% rename from merkle/Cargo.toml rename to merkle_old/Cargo.toml diff --git a/merkle/history.json b/merkle_old/history.json similarity index 100% rename from merkle/history.json rename to merkle_old/history.json diff --git a/merkle/proptest-regressions/mpt.txt b/merkle_old/proptest-regressions/mpt.txt similarity index 100% rename from merkle/proptest-regressions/mpt.txt rename to merkle_old/proptest-regressions/mpt.txt diff --git a/merkle/src/account.rs b/merkle_old/src/account.rs similarity index 100% rename from merkle/src/account.rs rename to merkle_old/src/account.rs diff --git a/merkle/src/history.rs b/merkle_old/src/history.rs similarity index 100% rename from merkle/src/history.rs rename to merkle_old/src/history.rs diff --git a/merkle/src/lib.rs b/merkle_old/src/lib.rs similarity index 100% rename from merkle/src/lib.rs rename to merkle_old/src/lib.rs diff --git a/merkle/src/main.rs b/merkle_old/src/main.rs similarity index 100% rename from merkle/src/main.rs rename to merkle_old/src/main.rs diff --git a/merkle/src/mpt.rs b/merkle_old/src/mpt.rs similarity index 100% rename from merkle/src/mpt.rs rename to merkle_old/src/mpt.rs diff --git a/merkle/src/nibbles.rs b/merkle_old/src/nibbles.rs similarity index 100% rename from merkle/src/nibbles.rs rename to merkle_old/src/nibbles.rs diff --git a/merkle/src/nodes/branch.rs b/merkle_old/src/nodes/branch.rs similarity index 100% rename from merkle/src/nodes/branch.rs rename to merkle_old/src/nodes/branch.rs diff --git a/merkle/src/nodes/decode.rs b/merkle_old/src/nodes/decode.rs similarity index 100% rename from merkle/src/nodes/decode.rs rename to merkle_old/src/nodes/decode.rs diff --git a/merkle/src/nodes/extension.rs b/merkle_old/src/nodes/extension.rs similarity index 100% rename from merkle/src/nodes/extension.rs rename to merkle_old/src/nodes/extension.rs diff --git a/merkle/src/nodes/leaf.rs b/merkle_old/src/nodes/leaf.rs similarity index 100% rename from merkle/src/nodes/leaf.rs rename to merkle_old/src/nodes/leaf.rs diff --git a/merkle/src/nodes/mod.rs b/merkle_old/src/nodes/mod.rs similarity index 100% rename from merkle/src/nodes/mod.rs rename to merkle_old/src/nodes/mod.rs diff --git a/merkle/src/nodes/node.rs b/merkle_old/src/nodes/node.rs similarity index 100% rename from merkle/src/nodes/node.rs rename to merkle_old/src/nodes/node.rs