Can Litecoin & Bitcoin have overlapping Transaction Ids (txid) Im currently coding my own transaction lookup page for cryptos. Since Litecoin and Bitcoin are so similar to their txid. I wanted to ask if its actually possible that these 2 currencies have overlapping txid's. I know that Bitcoin uses sha256 &amp; Litecoin uses scrypt.
Let me know, im really interested.
Litecoin uses Scrypt as its mining algorithm, but transaction identifiers (txids) are still produced using SHA256d. Litecoin started with a different genesis block, so there is no overlapping history in the blockchains.
It is extremely unlikely for any transactions to ever collide in their txids, simply because 2256 is such an extremely large digest space, whether that is within Bitcoin or across Bitcoin and Litecoin.