Feb 8, 2026

enum class electrum_version
{
    /// Invalid version.
    v0_0,

    /// 2011, initial protocol negotiation.
    v0_6,

    /// 2012, enhanced protocol negotiation.
    v0_8,

    /// 2012, added pruning limits and transport indicators.
    v0_9,

    /// 2013, baseline for core methods in the official specification.
    v0_10,

    /// 2014, 1.x series, deprecations of utxo and block number methods.
    v1_0,

    /// 2015, updated version response and introduced scripthash methods.
    v1_1,

    /// 2017, added optional parameters for transactions and headers.
    v1_2,

    /// 2018, defaulted raw headers and introduced new block methods.
    v1_3,

    /// 2019, removed deserialized headers and added merkle proof features.
    v1_4,

    /// 2019, modifications for auxiliary proof-of-work handling.
    v1_4_1,

    /// 2020, added scripthash unsubscribe functionality.
    v1_4_2,

    /// 2022, updated response formats and added fee estimation modes.
    v1_6
};