known_chains = {
    "BTS": {
        "chain_id": "4018d7844c78f6a6c41c6a552b898022310fc5dec06da467ee7905a8dad512c8",
        "core_symbol": "BTS",
        "prefix": "BTS"},
    "GPH": {
        "chain_id": "b8d1603965b3eb1acba27e62ff59f74efa3154d43a4188d381088ac7cdf35539",
        "core_symbol": "CORE",
        "prefix": "GPH"},
    "TEST": {
        "chain_id": "39f5e2ede1f8bc1a3a54a7914414e3779e33193f1f5693510e73cb7a87617447",
        "core_symbol": "TEST",
        "prefix": "TEST"},
    "Obelisk": {
        "chain_id": "1cfde7c388b9e8ac06462d68aadbd966b58f88797637d9af805b4560b0e9661e",
        "core_symbol": "GOV",
        "prefix": "FEW"},
    "Scnrfp": {
        "chain_id": "a8a61755aaa9d2c19a5989490bbc4195f37f147be3db3dddcf0e06d373b397ce",
        "core_symbol": "SCNRFP",
        "prefix": "SCNRFP"}
}

known_chains = {
    "BTS": {
        "chain_id": "4018d7844c78f6a6c41c6a552b898022310fc5dec06da467ee7905a8dad512c8",
        "core_symbol": "BTS",
        "prefix": "BTS"},
    "GPH": {
        "chain_id": "b8d1603965b3eb1acba27e62ff59f74efa3154d43a4188d381088ac7cdf35539",
        "core_symbol": "CORE",
        "prefix": "GPH"},
    "TEST": {
        "chain_id": "39f5e2ede1f8bc1a3a54a7914414e3779e33193f1f5693510e73cb7a87617447",
        "core_symbol": "TEST",
        "prefix": "TEST"},
}

remove legacy chains