Hemi Network v0.8.0

Hemi Network — is a modular Layer 2 protocol aimed at scaling, security and interoperability of Bitcoin and Ethereum networks. It represents a new approach to L2 scaling by treating Bitcoin and Ethereum as components of a supernetwork. Hemi Network connects to the Bitcoin and Ethereum networks, enabling asset portability between them to create a third-party crosschain ecosystem. To create this highly secure ecosystem, Hemi Network uses several types of decentralised nodes: Bitcoin finalisation managers, secure Bitcoin sequencers, Proof-of-Proof (PoP) miners and a modified Geth node.

$15,000,000 investment from Binance Labs, Alchemy,Quantstamp, etc. Node requirements are 2CPU/4RAM/50SSD

To fully participate in the Hemi Testnet we need to log in to https://points.absinthe.network/hemi/start and enter 7a924a9e. On the site, you can perform various activities and get points to compete on the leaderboard. You can also connect Discord and tweet.

What's required:

Server on Linux
Some Sepolia ETH (for tasks on website)

Node installation

Our installers can be used for quick installation or update node. To get started, enter:

curl -sO https://raw.githubusercontent.com/NodeMafia/HemiGuide/refs/heads/main/HemiMinerSetup.sh && chmod +x HemiMinerSetup.sh && ./HemiMinerSetup.sh

Join the Hemi Discord 'https://discord.gg/hemixyz' and request tBTC in the faucet channel with the command /tbtc-faucet to the wallet at this address: $PUBKEY_HASH
Check here if your Bitcoin has arrived: 'https://mempool.space/testnet/address/ $PUBKEY_HASH

After completing the tasks above prss Enter and start miner.

You can also manually start a node:

Create directory and navigate into it

mkdir HemiMiner && cd HemiMiner

Download the required archive

wget https://github.com/hemilabs/heminetwork/releases/download/v0.8.0/heminetwork_v0.8.0_linux_amd64.tar.gz

Unpack the archive

tar -zxvf heminetwork_v0.8.0_linux_amd64.tar.gz

rm heminetwork_v0.8.0_linux_amd64.tar.gz

Navigate into the unpacked directory

cd heminetwork_v0.8.0_linux_amd64/

Check the contents of the directory

ls

Make the popmd file executable

chmod +x ./popmd

Generate keys and save to JSON file

./keygen -secp256k1 -json -net="testnet" > ~/popm-address.json

Check the contents of the JSON file

cat ~/popm-address.json

Automatically assign variables from JSON

eval $(jq -r '. | "ETHEREUM_ADDRESS=\(.ethereum_address)\nNETWORK=\(.network)\nPRIVATE_KEY=\(.private_key)\nPUBLIC_KEY=\(.public_key)\nPUBKEY_HASH=\(.pubkey_hash)"' ~/popm-address.json)

Export environment variables

export POPM_BTC_PRIVKEY=$PRIVATE_KEY
export POPM_STATIC_FEE=200
export POPM_BFG_URL=wss://testnet.rpc.hemi.network/v1/ws/public

Navigate into

cd HemiMiner/heminetwork_v0.8.0_linux_amd64/

Create screen session

screen -S Hemi_nodeeval

eval $(jq -r '. | "ETHEREUM_ADDRESS=\(.ethereum_address)\nNETWORK=\(.network)\nPRIVATE_KEY=\(.private_key)\nPUBLIC_KEY=\(.public_key)\nPUBKEY_HASH=\(.pubkey_hash)"' ~/popm-address.json)

export POPM_BTC_PRIVKEY=$PRIVATE_KEY
export POPM_STATIC_FEE=200
export POPM_BFG_URL=wss://testnet.rpc.hemi.network/v1/ws/public

Start

./popmd

!INSTRUCTIONS FOR USE!

To close the screen, use: CTRL+A+D

To open the screen for viewing logs: screen -r Hemi_nodeeval

View list of screens: screen -ls

To stop HemiMiner: screen -r Hemi_nodeeval -X quit

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