Zeus aims to bring splicing to its wallet in 2026.

The goal is to make Bitcoin for everyday users.

Zeus wants to become the one go-to wallet that people suggest to newcomers.

What's next?

- New onboarding

- Mint discovery based on Nostr contacts

- Multi-mint send and Cashu LN address

- Take into account on-chain rates

- UX/UI improvements

Mortal level leverages Cashu, which brings good privacy but it's custodial.

Cashu was chosen specifically for its privacy properties, there is a good mint ecosystem and great functionalities.

Progression:

- Mortal: custodial onboarding, no channel management. As balance grows, user is prompted to upgrade.

- God: Real LN self-custody wallet.

- Olympian: Self-sovereign node runner, managing his own channel.

Economic self-custody is not free and onboarding UX is not the best possible, as of today. Graduated wallets can help closing this UX gap.

Graduated wallets: "A custodial (or trusted) to self-custodial wallet progression"

Following on Main Stage at nostr:npub1dwah6u025f2yy9dgwlsndntlfy85vf0t2eze5rdg2mxg99k4mucqxz7c52 Lightning++ Edition: nostr:npub19kv88vjm7tw6v9qksn2y6h4hdt6e79nh3zjcud36k9n3lmlwsleqwte2qd of nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5 with "Graduated Wallets".

Key takeways:

- Difference between uncertainty of liquidity and unfeasibility of payments

- off-chain rebalancing does not change unfeasibility

- Payment and on-chain txs change it

- Multi-party channels increase degree of freedom of the liquidity

Node operators could run a collaborative channel replenishment protocol to rebalance depleted channels in a collaborative manner, according to recent research.

Maximizing the fee potential seems a way to clearly predict which state are more likely to show depleted channels.

Liquidity issue:

Channels tend to deplete even in a circular economy. According to simulations, fees can only weakly predict depletion side of a channel.

You cannot look at the problem as local, only globally.

Making a payment is equivalent to changing the wealth vector in a wealth distribution.

To mitigate infeasible payments on-chain transactions are needed.

The mathematical theory of payment channel networks may help address these issues.

"Payments fail too often"

But why?

- Uncertainty about liquidity

- Infeasibility because min-cut

Next on Main Stage at nostr:npub1dwah6u025f2yy9dgwlsndntlfy85vf0t2eze5rdg2mxg99k4mucqxz7c52 Lightning++ Edition: Rene Pickhardt of nostr:npub10pensatlcfwktnvjjw2dtem38n6rvw8g6fv73h84cuacxn4c28eqyfn34f with "Everything I Know About Routing Reliability and Liquidity on the Lightning Network".

It was not possible to move private keys from a Lightning Node to an HSM. It did not work.

"Trusted Computing" came to the rescue.

Traditional security models highly rely on trust, are usually simple and limited.

Trustless models, on the other side, are complex, stateful and operational intensive.

There are more than 300BTC on a Lightning server, all belonging to Acinq. A lot of effort was put in R&D on Lightning node security.

Next on Main Stage at nostr:npub1dwah6u025f2yy9dgwlsndntlfy85vf0t2eze5rdg2mxg99k4mucqxz7c52 Lightning++ Edition: Fabrice Drouin of Acinq with "Lightning Node Security".