Get started running a Liquid node, transferring to the sidechain, claiming L-BTC, and issuing assets! Intro: The Liquid Network is a Bitcoin sidechain that facilitates quick and private transactions. A sidechain is a separate blockchain with different features than its base chain but is pegged to it in order to utilize the main chain’s native currency. The 2-way peg in Liquid is 1:1 to Bitcoin, so for every bitcoin you peg into the network, you unlock or create 1 Liquid Bitcoin (L-BTC for short). Liquid provides fast settlement with short 1-minute blocks and privacy through technology called Confidential Transactions. Peg-ins basically just require you to send BTC to a multisignature address that is controlled by members of what’s called a Strong Federation. Peg-outs (transferring back on to the Bitcoin chain) require you to go through a Federation member exchange. Jumping in: The Liquid source code and wallet / full node binaries are hosted on Github . Currently, there are binaries for Windows, MacOS, and Linux. There even is a GUI now! I won’t go into building and the other utilities in this post. You can use this to build Liquid from the source code. It’s more or less identical to building . here liquidd document bitcoind requires* a running which serves RPC calls. Just like how is operated with , is operated with . So, all commands need to be run with while is running. Your Liquid node needs to be able to communicate with a Bitcoin node to validate peg-ins and to claim Liquid Bitcoin. liquidd bitcoind bitcoind bitcoin-cli liquidd liquid-cli liquid-cli liquidd *If you don’t want to validate peg-ins, _bitcoind_ is not required. _liquidd_ can then be run on its own with _validatepegin=0_ . This means that in , the following is required: bitcoin.conf server=1rpcuser=rpcpassword= Liquid also requires a (in ) with these entries: liquid.conf ~/.liquid/ mainchainrpcuser=  <-- rpcuser in bitcoin.confmainchainrpcpassword=  <-- rpcpassword in bitcoin.confmainchainrpchost=  <-- usually 127.0.0.1mainchainrpcport=  <-- usually 8332 That’s it! You can now fire up and validate the sidechain’s blocks. Like with , you can watch Liquid’s with: liquidd bitcoind debug.log tail -f ~/.liquid/liquidv1/debug.log Pegging-in: Initiating a peg-in is really simple. It’s just a matter of telling to generate a for you to send bitcoin to. liquidd peginaddress $ liquid-cli getpeginaddress This will output a peg-in address and a claim script. The claim script is needed if the is not in your wallet — if you’ve generated the on an offline computer and are submitting the claim on a separate computer, for example. peginaddress peginadddress Once you’ve generated an address, you can send bitcoins to it. For security purposes, 102 Bitcoin blocks are required to complete the peg-in process. Peg-outs are much quicker at 2 Liquid blocks, but require you to go through a Liquid member exchange to do so. Claiming L-BTC: Once 102 Bitcoin blocks have been mined, you can claim your L-BTC on the Liquid sidechain. To do so requires 2 things, and optionally the claim script if you’re claiming with a wallet that in it. *does not have the _peginaddress_ * You need: The raw transaction (in hex) of the peg-in transaction A generated by txoutproof bitcoind (optional) The claim script generated with getpeginaddress Once you have those, you can use to claim your L-BTC: liquid-cli (Example from help) liquid-cli > liquid-cli claimpegin "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", "00000020976e918ed537b0f99028648f2a25c0bd4513644fb84d9cbe1108b4df6b8edf6ba715c424110f0934265bf8c5763d9cc9f1675a0f728b35b9bc5875f6806be3d19cd5b159ffff7f2000000000020000000224eab3da09d99407cb79f0089e3257414c4121cb85a320e1fd0f88678b6b798e0713a8d66544b6f631f9b6d281c71633fb91a67619b189a06bab09794d5554a60105" "0014058c769ffc7d12c35cddec87384506f536383f9c" Issuing an asset: Issuing an asset is ridiculously simple compared to other platforms. $ liquid-cli issueasset 1000 1 true This creates an asset with 1000 units and 1 reissuance token. It is also issued confidentially, so you can issue and distribute assets completely confidentially — as if they were just normal Liquid transactions. Optionally, you can unblind the issuance and make it non-private. Transferring L-BTC or assets: Transferring L-BTC is the same as if you were using : bitcoin-cli Someone generates a confidential address: $ liquid-cli getnewaddress They give you that address. Then, you send L-BTC: $ liquid-cli sendtoaddress  VTq74LvRzjwxqNg47UaJgCqm8go8diH6XtBZdgHhNhPGVRC8xVj8adnMLQ9NfwV87iUnJ5jni2wAQoYT 0.01 This sends 0.01 L-BTC to a demo address that I generated. Or an asset: $ liquid-cli sendtoaddress VTq5YvHXHq4rsSVQNuGVC4ahrd25c1XrPqv59DBD73u9ZKbk2g6794Ge9zEKcR3zVaTR3diahW6S3vyx 0.01 "giveaway" " " false e33b0c87afdef7e0d942daf1d9735b9a79ddefc10a3a631783f397f86f418278 @RobEdb This sends 0.01 of an asset (in this case, Grubles Tickets) to @RobEdb. Conclusion: Now you should be set and ready to transact and issue assets on the Liquid sidechain! Pretty simple! Also, don’t forget to encrypt your Liquid just like you would your Bitcoin wallet. If you want to send tips you can just use the demo address I used earlier: wallet.dat VTptRF5zL4kzEYwCrRjAbSPGAGUmujuxVHY7z6w5dypXm2hzGB5YqbybPKFSJih7onnX3WBRnnHQqQsf Thanks for reading!

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