FirmaChain
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Recover the chain node

FirmaChain provides a compressed data file that contains the block information up to a certain height. By downloading the compressed data file, you can reduce the time consumed to sync the network.

cd ~
wget https://firmachain.org/mainnet/build/firmachain-augustus-20211230-v0.3.2.tar

In order for you to check whether you have successfully downloaded the compressed file, you must verify the integrity of the file.
sha1sum data.tar
f10d9am29a0m2n18and0a82n10ausn2191ma9891fj83n6

You must decompress the verified data.tar file and must apply the file to the chain.
tar -xvf data.tar
* If the error message “tar: Unexpected EOF in archive” occurs during decompression, please download the compressed data file again.

Please delete the existing data directory before executing this step.
rm -rf .firmachain/data
mv data ~/.firmachain/

Once you start the chain, the blocks will accumulate from the backup data and you will be able to expedite your synchronization process.
firmachaind start
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Instruction
Download 'data.tar'
Verify the Integrity of the Compressed File
Decompress
Moving the Folder
Start Chain