Not the private keys starting by L nor the public keys starting by 02 or 03. There will be support in later versions. That code is 95% done but it doesn't have a version target yet. There ought to be a way for Core to export uncompressed private keys.
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老外给我回复了,Bitcoin Core 可以导出未经压缩的私钥? 我只是知道导出密钥是 dumpprivkey+地址
这个太专业了,哈哈。