Friedger

friedger.id.stx

My life with Stacks.

Read more developer stories on http://www.openintents.org/blog

Synthetic Events in Stacks

December 19, 2023

Most blockchains have a way to inform users about events that happened in a smart contract. Some events are emitted by default, others are defined explicitly by code in the contract. In Stacks, all changes involving a fungible or non-fungible token create events. For example, transferring the SIP-1...

Bridging BTC and STX (v5)

December 11, 2023

This is an update to the first article about the Clarity Bitcoin library from May 2021. Clarity Bitcoin library is a tool that allows users to trigger action on the Stacks blockchain if and only if a certain Bitcoin transaction was mined on the Bitcoin blockchain. The Clarity Bitcoin library is a s...

Transparent Reward Distributions

August 30, 2023

Fast Pool is a non-custodial stacking pool where all participants are pool operators. There is only one privileged reward administrator. The pool operators can lock the delegated STX tokens, extend the locking period and increase the locked amount after a 1-week security window for any pool member. ...

How to run a Decentralized Stacking Pool?

April 23, 2023

Update May 2023 Stacks 2.4 has been published. The pox contract is now version 3 (pox-3) and the pox-pool-self-service has been updated to version 2 to fix an issue with extending more than 1 cycle. Note This is an rewrite of the first article from July 2021 about running a Stacking pool in gene...

FAQ: Pooled stacking

April 19, 2023

Common FAQ Is there a way to confirm that stacking for delegates went correctly? If your stx is loocked it is a good sign. Check also that your delegate-stx transaction was successful and that your pool admin locked your stx. You can see your status at https://lockstack.com/pooled-stacking-info H...

Understanding Pooled Stacking

April 17, 2023

Amounts DedeDelegated Amount (aka Pooled Amount) The delegated amount is the maximum amount of STX that the pool operator can lock for the user. It is the first amount set by the user. I can be higher than the current balance. Eventually, the pool operator can never lock more than the minimum of t...

Swimming in two pools

April 17, 2023

Upgrade of the Stacks blockchain to version 2.1, brought new stacking features. One of them is to increase the stacking amount while your STX are locked. This works for direct stacking and pooled stacking. The implementation for pooled stacking allows to switch the pool while the stacked amount is ...

Reviewing Stacking Rewards (Cycle #53)

March 05, 2023

The stacking rewards distributed by Friedger Pool for cycle #53 were less than in cycle #52 while the total amount of received BTC rewards were higher and while for example stacking.club shows a higher APR: It is not clear why stacking.club shows these APR values, but the total amount of stacked ST...

Testing Stacking Pool 2.1

February 01, 2023

Stacks 2.1 brings some changes to stacking, in particular it is possible to avoid cool down cycles and to increase stacking amount during locking periods. Here is a description of all the tests for these features when used with a stacking pool. For the tests with use the 2.1 testnet maintained by H...

Upcoming: NPM package for Clarity bitcoin lib

July 27, 2022

One of the most interesting properties of the Stacks blockchain is the view of their nodes into the state of the Bitcoin blockchain. The view is available in the smart contract language and it is possible to verify on-chain that a Bitcoin transaction was actually mined as described earlier in this p...

Creating a Bitfari Map

July 27, 2022

Bitfari creates a decentralized ad network that links virtual ads to physical locations. The physical locations are identified by Open Street Map (OSM) ids and the managers of these locations are registered on the Stacks blockchain. In order to create a map with all registered locations, you have t...

Built in 2021

February 06, 2022

A list of stuff built in 2021 by friedger.btc with the great Stacks community Clarity Contracts Deployed the first custom contract on mainnet (badges). It was the attendance badge (POAP) for the Stacks Mainnet Launch event. 2027 NFTs were distributed in several batches of 200 to not make the network...

Customized Boombox Admin Protocol

December 28, 2021

Boom has recently deployed a smart contract that makes it really easy to create stacking pools. If you are new to stacking pools read for example the docs about stacking or the article about the old way of running a pool. The new way is to deploy a simple NFT contract and then register it with the ...

Requirements for a Stacking Pool UI

November 10, 2021

Currently, the tools used to run Friedger Pool is a set of 4 scripts. It requires hand holding and manual processing. In the following description all the bold text is what needs to be done manually. A UI for pool admins should allow to enter these parameters or calculate/suggest it for the admin. T...

Treating Traits in Clarity

November 03, 2021

The smart contract language Clarity comes with the concept of traits. Traits are properties of a contract that can be observed from the outside but have a specific meaning to the inside. Like with NFTs, a blue hat in an NFT image can be recognized by all but the advantages for the owner e.g. in a bl...

Explaining Payout for Cycle #17

October 06, 2021

What happened? During cycle #17, we decided to make a first payout of 1 BTC. The rate was 2758 sats/stx, resulting in 36,258.158085 STX as rewards (=1/0.00002758). As usual, we ran our payout script. However, we missed a manual update of a new part of the script. The result was that some stackers o...

Games Of PoX

September 18, 2021

Role play for 7 persons or more about blockchains Background Bitcoin has become more and more popular and it is mentioned in main stream media. The Bitcoin blockchain uses Proof-of-Work (PoW) and is mainly used to transfer of Bitcoins from one user to the other. Ethereum is another blockchain that a...

Wrapped BTC rewards for Friedger Pool members (cycle #14)

September 03, 2021

Please note that this is only for users that do NOT use a hardware wallet for their account until the Hiro Wallet for web supports Ledger and/or the Hiro Wallet for Desktop support contract calls. After all the testing and auditing of Friedger pool rewards for cycle #13 and #14, it is now time to ma...

On-chain Auditing Friedger Pool (cycle #13, cycle #14)

August 25, 2021

Friedger Pool is one of the larger Stacking Pools creating Bitcoin yields for more than 10m stacked STX. Friedger Pool does the payout in STX instead of BTC to reduce costs and more importantly to take advantage of Stack's smart contracts. For cycle #13, Friedger Pool received 1.82519341 BTC. This c...

Instructions for Testing AFP

July 29, 2021

Introduction The autonomous Friedger Pool (AFP) is a project that tries to automate the operation of a Stacking Pool as much as possible. The Proof of Transfer contract (pox) allows users to join a pool via simple smart contract calls. However, they have to trust pool operators that these manage the...

Trustless Swap on Stacks chain: NFT vs $BTC

July 15, 2021

When Boom launched Boomboxes, I minted number #82 of 1st Edition. Boombox NFTs come with an intrinsic value because these NFTs earn stacking rewards. (Read the details in my previous post.) I participate in the consensus algorithm (PoX) of the Stacks chain by locking my Stacks. I locked 16,999 STX f...

Boomboxes and Friedger Pool

July 06, 2021

TDLR : Boombox pool rules are Delegation through contract SP497E7RX3233ATBS2AB9G4WTHB63X5PBSP5VGAQ.boomboxes-cycle-12 Immediate locking when delegating Locking period: 1 cycle Bitcoin reward address: Friedger Pool's address NFT ownerships at block height #24,000 determines reward receivers Introduct...

An Application of Clarity Bitcoin Library

May 27, 2021

The Clarity Bitcoin Library initially created by Jude Nelson is a Clarity contract that allows to handle information from the Bitcoin blockchain. In particular, it allows to verify whether a transaction was actually mined on the Bitcoin blockchain. This is possible because the hash values of Bitcoin...

Join Stacking Pool with Stacks Wallet Web

May 22, 2021

Stacking is part of the consensus algorithm of the Stacks blockchain. To reduce high trafic on the bitcoin blockchain, a minimum amount of Stacks token is required for Stacking. Part of the stacking protocol is that users can pool their stacks to reach the minimum and benefit as a group. With the re...

Bringing Hugo and Stacks together

May 07, 2021

Hugo is a static site generator framework. It is open source and fast. The site for Friedger Pool is using it. We wanted to add a more personalized experience to that site and therefore, the site should become a Stacks app. That means that the app uses the Stacks authentication provided by the @stac...

Owning my Stacks data on Threefold Grid

April 29, 2021

The ThreeFold Grid is a global, neutral, and sustainable network of autonomous storage and compute internet capacity created by ThreeFold Farmers. It happened that I became a ThreeFold Farmer. I will explain what that means and how I finally could deploy a Gaia storage hub independently of big tech ...

Stacking Cycle data

April 19, 2021

Updated when necessary. Cycle #17 STX block start: 30832 BTC block start: 701650 Cycle #16 STX block start: 29008 BTC block start: 699550 Cycle #15 STX block start: 27244 BTC block start: 697450 Cycle #14 STX block start: 25474 BTC block start: 695350 Cycle #13 STX block start: 23656 BTC block start...

Overview of Pools from stacking.club - Cycle #6

April 11, 2021

14y4Z27pvL6Fyo4WawkYGRBmwtg3rzTGrq 15,404,165.00 STX 154 - reward slots Direct stacking towards same btc address - InfStones 1AJm7XWhbPTFqgtJT6oS9wQ3XThk7rA2yF 1,121,033.672063 STX - 11 reward slots Friedger Pool 1E8LoASSENiyYJDUD1QH7edKXdiSDA4DeP 1,725,968.329199 STX - 17 reward slots staked.us - S...

Beeple NFT on Bitcoin

April 07, 2021

Recently, the artist known as Beeple auctioned his work EVERYDAYS: THE FIRST 5000 DAYS as a non-fungible token (NFT) at Christie's. The NFT changed ownership for $65 million USD. This started discussions about the value of NFTs. NFTs are like certificates on paper but written to a blockchain. Like c...

April Updates on Community Stacking Pool

April 02, 2021

Below you find a transcript of the Stacks April Town Hall where I updated on the activities around Friedger Pool: We see, there are different opportunities for delegated stacking and we created a pool registry smart contract on testnet. It uses BNS names and we would like to get feedback in the corr...

How to run a Stacking Pool? (updated July 2021)

March 01, 2021

What is a Stacking Pool? The Stacks blockchain uses the proof of transfer (PoX) consensus algorithm. It requires that Stack miners send Bitcoins to two randomly selected Bitcoin addresses each Bitcoin block. The more a miner sends, the higher the probability to win the Stacks block reward. The recei...

Working with Non-Fungible Tokens on Stacks

February 06, 2021

While working with non-fungible tokens on the Stacks blockchain I came across various names and terms that should be explained here: Non-fungible tokens (NFT) are defined in Clarity contracts, smart contracts using the Clarity language. The language provides the function define-non-fungible-token pr...

Bitcoin Oracles on Stacks

November 23, 2020

Introduction In September, it was announced that Chainlink will come to the Stacks ecosystem. Chainlink is described as decentralized oracle network that provides reliable, tamper-proof inputs and outputs for smart contracts on any blockchain. From the view point of a smart contract developer this i...

Worth Owning - Three Decentralized Crypto Projects

November 15, 2020

The big tech companies try to own and control as many data as possible. They have the resources to provide convenience to end users in exchange for their data and loss of control. The crypto space brings some hopes and projects that enable end users to take back control and take on ownership of thei...

Hans in Luck Living in Stacksland

October 17, 2020

Edit 16.12.2020: Updated for Stacks 2.0 Feature Completness (removed "User Support for Miners") Hans in Luck is a famous German story that was recorded by the Brothers Grimm back in the 18th century (video, text). The story is about an apprentice who receives a piece of gold after working hard for h...

The Fairy With a Sweet Tooth

October 16, 2020

Once upon a time, there was a fairy who came to a kingdom. The king liked to cook and bake but he was mean and didn't want to give any of his deserts to his people. He gave them mush to eat. The men and women ate it and didn't know about all the delicious desserts the king had. The fairy saw this an...

App Curation

September 10, 2020

Six months after the app mining program has stopped, it is time to review which applications survived the period of no mining money. There are a few apps where the domain or the certificate expired, others stopped operation or switched from Blockstack auth to a different identity provider. Data abou...

Index Based Data Exchange Protocol

July 16, 2019

This document describes how users can exchange data object in a decentralized, secure way using an indexer Alice encrypts data object with a key for Alice and Bob Alice publishes location of data object on the indexer Bob fetches locations from indexer Bob retrieves data object and d...

Decentralized App Reviews - For Developers

July 05, 2019

OI App Center OI App Center is a user interface for app reviews. It is build in a way that any website, app or location can be reviewed, however, for now the focus is on Blockstack app. How to add a Rate App link? Developers can now add a link for app review to the decentralized review platform buil...

Blockstack apps with Gatsby

May 13, 2019

"Gatsby is a free and open source framework based on React that helps developers build blazing fast websites and apps" (from gatsbyjs.org). As a Blockstack app developer, Gatsby got my attention because the framework focuses on static site generation and integrating data source easily. There are ple...

Comparing Blockstack blogging apps

May 09, 2019

I am looking for a convenient way to publish observations about Blockstack and the ecosystem. Therefore, I am starting here with my personal review for blogging apps that make use of Blockstack. Sigle Sigle is a blogging app that comes with a nice, artistic design. Using the app is a pleasure for th...

How to replace Google Calendar

February 04, 2019

After using Google Calendar for years, it is time to change. I don't want to host and maintain my own calDav server, but still have control over my data. Blockstack is a good solution and OI Calendar the new interface to my calendar in the cloud. There was a bigger campaign back in 2015 to De-Google...

Getting Rid of Passwords

January 12, 2019

Having contributed to the Android app of Matrix.org back in 2015 (adding basic support for Android Auto) it feels great to get involved again. Today, we launched OI Chat, a Matrix service dedicated to Blockstack users. As explained in the post Giving Internet Permission, Blockstack is a platform for...