LevelDB

Second one is Bitcoin Core 34931.

This one fixes an issue in the LevelDB wrapper.

And in the LevelDB wrapper, there was no distinction between whether you could not deserialize a UTXO from disk or whether a UTXO was not present in your chain state.

So if you're missing a UTXO that you are spending in a transaction, obviously that transaction is invalid.

And if it's in a block, that block is invalid because you can't spend funds that don't exist.

Benchmarking RocksDB's 3 Amplification Factors, by Mukul underscore Shish.

If you've read anything about RocksDB, LevelDB, Cassandra, or any other LSM tree database, you've met the 3 amplification factors.

Space amplification.

Bytes on disk divided by bytes of live data.

yes So there have been some updates.

There was an update to Arsenal LevelDB.

So LevelDB is one of their tools.

LevelDB Recon is one of their tools.

And it parses LevelDBs.

And if you don't know what a LevelDB is, you need to know what a LevelDB is.

There's not a lot of tools that support LevelDB.

And it is a data structure that is in, I think, all of your Android devices.