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Difference Between SegWit and Legacy Address

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Send and receive BTC/LTC - difference between segwit and Legacy address | Crypto.com Help Center

For BTC:

  • Legacy (P2PKH): addresses start with a 1
  • Nested SegWit (P2SH): addresses start with a 3
  • Native SegWit (bech32): addresses start with bc1

— https://help.crypto.com/en/articles/4056348-send-and-receive-btc-ltc-difference-between-segwit-and-legacy-address#:~:text=What%20is%20the%20difference%20between,involved%20with%20a%20specific%20transaction.

Legacy address is the original BTC address while SegWit is the newer address format with lower fees.

— https://help.crypto.com/en/articles/4056348-send-and-receive-btc-ltc-difference-between-segwit-and-legacy-address#:~:text=What%20is%20the%20difference%20between,involved%20with%20a%20specific%20transaction.

SegWit means Segregated Witness, where Segregated is to separate and Witness is the transaction signatures involved with a specific transaction. In a nutshell, it is an improvement over the current bitcoin blockchain which reduces the size needed to store transactions in a block.

— https://help.crypto.com/en/articles/4056348-send-and-receive-btc-ltc-difference-between-segwit-and-legacy-address#:~:text=What%20is%20the%20difference%20between,involved%20with%20a%20specific%20transaction.

it reduces the size of the transaction data needed to store in one block.

— https://help.crypto.com/en/articles/4056348-send-and-receive-btc-ltc-difference-between-segwit-and-legacy-address#:~:text=What%20is%20the%20difference%20between,involved%20with%20a%20specific%20transaction.

you are able to send funds from a SegWit address to a Legacy address

— https://help.crypto.com/en/articles/4056348-send-and-receive-btc-ltc-difference-between-segwit-and-legacy-address#:~:text=What%20is%20the%20difference%20between,involved%20with%20a%20specific%20transaction.