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Site title: Bitcoin Stack Exchange

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I would like to know what's the better aproach for upgrading from a legacy address to a segwit one, but there are two type of segwit as P2SH starting with 3 and Native SegWit (bech32) starting with bc1, but don't know which of the two segwit one, is better and is compatible to transfer and receive from a legacy one. ?

I know that a segwit wallet helps to reduce the si...


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Hello I'm using a python script to actually retrieve information from a blk file and to read data.

import datetime # Read block ! file = open("REDACTED\blocks\\blk00000.dat", 'rb') numberOfBlocks = 0 i = 0 toAnalyse = 5000 while i < toAnalyse: block_magic_bytes = file.read(4) if b''==block_magic_bytes : break block_size = file.read(4) block_size_int = int...

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Question regarding Bitcoin mechanics: let's imagine bip110 miners have 10% of the hashrate.. and in August there is a chain split (but no hard fork). Bip110 blocks come in much slower so it takes 10x more for a full difficulty period to pass. At the same time Bitcoin (with the current consensus rules) has only a 10% longer difficulty period. But eventually bip110 will pass it...


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Submarine Swap is a trustless swap between Bitcoin (L1) and Lighning (L2). I understand the process of trustless swap from BTC to LN (aka. Swap In, Loop in, or forward swap), but I would need help with the other direction.

The BTC->LN case looks like this:

Actors: Payer, who wants to pay a LN invoice using BTC, and Provider of the swap service Given: a LN invoi...

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if I got custom Node and Alice has 3btc and bob got 0btc and bob got 0btc with Tom 1 btc. Is it possible we can change channel for Alice 3btc with Tom 1 btc. And close Tom. And it doesn’t go to on-chain btc. Does it possible Only swap this in off-Chain my node?


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