Bitcoin Cash Devs Reveal Noncustodial Funding App Flipstarter

The Flipstarter team plans to release an application that allows people to fund projects in a “secure, non-custodial” fashion using the Electron Cash wallet.

On February 15, a user on the blog site announced the development of a new Bitcoin Cash fundraising project called The developers behind the platform highlighted the recent questions people have been asking about voluntary funding of the Bitcoin Cash commons.

Flipstarter: A Lighthouse-Like Bitcoin Cash Crowdfunding App Is Coming Soon

A team of software developers have revealed they are working on a BCH project called which will allow people to fund projects in a noncustodial manner. The project announcement said that “a group of volunteers came together to create Flipstarter” referring to the recent discussions over the Infrastructure Funding Plan (IFP).

The blog post mentions the “big questions in the air right now in the Bitcoin Cash space” and explains that the project was created to help bolster a voluntary funding mechanism for the BCH ecosystem.

Over the next few weeks, the group of BCH developers plan to test and release the software. The project is similar to Mike Hearn’s Lighthouse project that was shelved when he left the Bitcoin community. The developers disclosed that “Flipstarter is basically Lighthouse but boiled down to the main feature. That is an old feature of Bitcoin transactions called ‘Anyone-can-pay.’”

With an Anyone-can-pay Sighash, a crowdfunding transaction (signing a partial transaction) can be built by approving all outputs and only your inputs.

In traditional bitcoin cash transactions, when you sign you authorize all the outputs and inputs. But with an Anyone-can-pay Sighash, a crowdfunding transaction (signing a partial transaction) can be built by approving all outputs and only your inputs. Anyone-can-pay transactions can make it so pledged donations need to reach a threshold (funding goal) before they are spent. “In other words, as long as everyone agrees on the total output, anyone can help pay, and everything happens trustlessly”, Flipstarter’s creators detailed.

“We need to create a way for people to participate in assurance contracts”, the programmers added. However, the Anyone-can-pay structure doesn’t have much wallet support so for the first version the programmers chose to create a plugin for Electron Cash (EC).

A preview of the Flipstarter app.
User-Friendliness Is Great But a Trustless Noncustodial Solution Is Needed

Essentially, a user would install the EC plugin and select a proposal from the Flipstarter website. Then they can set a pledge value and copy and paste some text which adds the necessary information into the EC plugin. The EC plugin will then build a signed, partial transaction that is frozen and you can “unfreeze it at any time.”

The Flipstarter website monitors the pledges until the soft cap or funding goal is complete. “The site finalizes the assurance contract, and pays out to the target addresses”, the Flipstarter developers said. “If the campaign does not get enough pledges, then everyone can un-freeze their pledge and use it as normal. That is, the coin never leaves Electron Cash until the whole campaign succeeds.” Flipstarter’s creators added:

It looks a bit clunky, but the process is more secure, non-custodial, does not require the user to take their coins out of Electron Cash and it lets us get something working with limited time and resources.

Flipstarter’s build is available for review on the developers’ website Gitlab.

The developers have contemplated other options, but for now they are sticking with the EC plugin because it is a trustless, non-custodial solution. Of course, the Flipstarter creators are just getting started and the user interface and concept can be improved a great deal. “Volunteers will continue to develop it, and there is opportunity for a for-profit team to develop it into a full-fledged platform – Whatever happens, we are making the first version so that anyone can fork it and run a campaign by themselves”, Flipstarter’s developers insisted. Currently, the volunteers working on Flipstarter include developers such as Dagur, Jonathan#100, Leandro_DiMarco, and Sploit.

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