user137189: How can you run your blockchain, not through regtest, but a real one

user208: It provides no such feature.
Bitcoin Core is designed to interact with the Bitcoin blockchain and network, including some of its test chains/network (regtest, testnet, signet).

user126793: You are free to fork the code, with the only limitations described in COPYING.
After you do so, if that creates an alternative chain, then any troubles you have onwards are off topic in this site.

137189: <p>How can you run your blockchain, not through regtest, but a real one</p>
 208: <p>It provides no such feature.</p>
<p>Bitcoin Core is designed to interact with the Bitcoin blockchain and network, including some of its test chains/network (regtest, testnet, signet).</p>
 126793: <p>You are free to fork the code, with the only limitations described in <a href="https://github.com/bitcoin/bitcoin/tree/master/COPYING" rel="nofollow noreferrer">COPYING</a>.</p>
<p>After you do so, if that creates an alternative chain, then any troubles you have onwards are off topic in this site.</p>
