# Latest **URL:** https://community.second.tech/latest.md [Latest](https://community.second.tech/latest.md) · [Categories](https://community.second.tech/categories.md) · [Tags](https://community.second.tech/tags.md) --- ## [Welcome to our new forum! 👋](https://community.second.tech/t/welcome-to-our-new-forum/5)
**Author:** [@system](https://community.second.tech/u/system)\ **Replies:** 0\ **Last updated:** [October 16, 2024, 9:30am UTC](https://community.second.tech/t/welcome-to-our-new-forum/5 "2024-10-16T09:30:57Z")
Welcome to our new forum! Welcome to our new space for Ark protocol discussion. Whether you’re wanting to make Ark payments, implementing Ar… --- ## [Dog Pack: A Proposal for Private In-Round Bark Transfers](https://community.second.tech/t/dog-pack-a-proposal-for-private-in-round-bark-transfers/230)
**Author:** [@randy](https://community.second.tech/u/randy)\ **Replies:** 5\ **Last updated:** [October 1, 2026, 11:49am UTC](https://community.second.tech/t/dog-pack-a-proposal-for-private-in-round-bark-transfers/230 "2026-10-01T11:49:18Z")
I have a new proposal on how refreshes can be made more private. The core of my proposal focuses on breaking the link between input attesta… --- ## [What's the best way to implement non-custodial per minute billing using Bark?](https://community.second.tech/t/whats-the-best-way-to-implement-non-custodial-per-minute-billing-using-bark/223)
**Author:** [@okmaybenot](https://community.second.tech/u/okmaybenot)\ **Replies:** 8\ **Last updated:** [September 16, 2026, 1:02pm UTC](https://community.second.tech/t/whats-the-best-way-to-implement-non-custodial-per-minute-billing-using-bark/223 "2026-09-16T13:02:20Z")
I want users to have fully non-custodial browser wallets. The wallet should be able to prepare payment authorizations for a service in advan… --- ## [Emergency exit stuck at "processing" — VTXO's own transaction never found on esplora (Signet, @secondts/bark web 0.21.0)](https://community.second.tech/t/emergency-exit-stuck-at-processing-vtxos-own-transaction-never-found-on-esplora-signet-secondts-bark-web-0-21-0/226)
**Author:** [@MMO](https://community.second.tech/u/MMO)\ **Replies:** 10\ **Last updated:** [September 9, 2026, 7:18pm UTC](https://community.second.tech/t/emergency-exit-stuck-at-processing-vtxos-own-transaction-never-found-on-esplora-signet-secondts-bark-web-0-21-0/226 "2026-09-09T19:18:10Z")
Building a Nostr client (NOSTRAS, nostras.app) on @secondts/bark (web/WASM target, currently 0.21.0), Signet network. Started an emergency … --- ## [Bark Wallet on Umbrel has a stuck LN payment - underlying VTXOs locked ](https://community.second.tech/t/bark-wallet-on-umbrel-has-a-stuck-ln-payment-underlying-vtxos-locked/225)
**Author:** [@Skyman21m](https://community.second.tech/u/Skyman21m)\ **Replies:** 3\ **Last updated:** [August 31, 2026, 10:09am UTC](https://community.second.tech/t/bark-wallet-on-umbrel-has-a-stuck-ln-payment-underlying-vtxos-locked/225 "2026-08-31T10:09:39Z")
Hey, I’ve been using the Bark Wallet on Umbrel flawlessly until 3 days ago when a LN payment failed and got stuck. The HTLC is now expired … --- ## [Integrating Bark into apps](https://community.second.tech/t/integrating-bark-into-apps/122)
**Author:** [@michaelWuensch](https://community.second.tech/u/michaelWuensch)\ **Replies:** 4\ **Last updated:** [August 30, 2026, 5:28pm UTC](https://community.second.tech/t/integrating-bark-into-apps/122 "2026-08-30T17:28:11Z")
In your installation guide it says: “Our Ark wallet client that can be used from the command line or integrated into apps.” But nowhere I … --- ## [Lightning gateway sends consistently failing on signet (~3min timeout then revoke)](https://community.second.tech/t/lightning-gateway-sends-consistently-failing-on-signet-3min-timeout-then-revoke/206)
**Author:** [@Codepocketdev](https://community.second.tech/u/Codepocketdev)\ **Replies:** 6\ **Last updated:** [July 16, 2026, 5:47pm UTC](https://community.second.tech/t/lightning-gateway-sends-consistently-failing-on-signet-3min-timeout-then-revoke/206 "2026-07-16T17:47:37Z")
Over the course of testing tonight (2026-06-21, roughly 19:00–20:45 UTC), I hit a consistent failure pattern on Lightning-gateway sends agai… --- ## [Failed onboarding via lightning on mainnet](https://community.second.tech/t/failed-onboarding-via-lightning-on-mainnet/214)
**Author:** [@okb-1](https://community.second.tech/u/okb-1)\ **Replies:** 4\ **Last updated:** [July 6, 2026, 6:42am UTC](https://community.second.tech/t/failed-onboarding-via-lightning-on-mainnet/214 "2026-07-06T06:42:50Z")
During a simple test to try Bark on Mainnet (via Umbrel), I consistently get failed payments during onboarding via Lightning. Steps: On t… --- ## [Faucet address?](https://community.second.tech/t/faucet-address/215)
**Author:** [@AnyoneOReally1](https://community.second.tech/u/AnyoneOReally1)\ **Replies:** 0\ **Last updated:** [June 30, 2026, 9:23am UTC](https://community.second.tech/t/faucet-address/215 "2026-06-30T09:23:50Z")
faucet@signet.noahwallet.io ? --- ## [ArkAPI: a pay-per-call API gateway with Lightning and native Ark payments, built on Bark and live on Signet](https://community.second.tech/t/arkapi-a-pay-per-call-api-gateway-with-lightning-and-native-ark-payments-built-on-bark-and-live-on-signet/193)
**Author:** [@PiHiker](https://community.second.tech/u/PiHiker)\ **Replies:** 22\ **Last updated:** [June 15, 2026, 4:05pm UTC](https://community.second.tech/t/arkapi-a-pay-per-call-api-gateway-with-lightning-and-native-ark-payments-built-on-bark-and-live-on-signet/193 "2026-06-15T16:05:30Z")
Hey all! I wanted to share a project I’ve been building. ArkAPI is a pay-per-call API gateway live on Signet where sessions are funded via … --- ## [Can someone explain to me the difference between Ark and Spark?](https://community.second.tech/t/can-someone-explain-to-me-the-difference-between-ark-and-spark/203)
**Author:** [@Jem](https://community.second.tech/u/Jem)\ **Replies:** 1\ **Last updated:** [June 15, 2026, 3:48pm UTC](https://community.second.tech/t/can-someone-explain-to-me-the-difference-between-ark-and-spark/203 "2026-06-15T15:48:30Z")
Basically what it says in the title, I can’t find many resources explaining the differences in detail. Would appreciate if someone can expla… --- ## [create bolt12 offer for deposits](https://community.second.tech/t/create-bolt12-offer-for-deposits/202)
**Author:** [@jens](https://community.second.tech/u/jens)\ **Replies:** 1\ **Last updated:** [June 12, 2026, 2:02pm UTC](https://community.second.tech/t/create-bolt12-offer-for-deposits/202 "2026-06-12T14:02:08Z")
Will deposits via bolt12 be possible at some point? br Jens --- ## [Arké MacOS prototype](https://community.second.tech/t/arke-macos-prototype/156)
**Author:** [@Christoph](https://community.second.tech/u/Christoph)\ **Replies:** 36\ **Last updated:** [April 30, 2026, 12:54pm UTC](https://community.second.tech/t/arke-macos-prototype/156 "2026-04-30T12:54:29Z")
Hi all. Big shout-out to the second.tech team for the great work on Ark. I put together a MacOS prototype wallet app because I wanted to fee… --- ## [Fee schedule for arkoor payment](https://community.second.tech/t/fee-schedule-for-arkoor-payment/191)
**Author:** [@runner2xx](https://community.second.tech/u/runner2xx)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 7:13am UTC](https://community.second.tech/t/fee-schedule-for-arkoor-payment/191 "2026-03-19T07:13:48Z")
Why has the newly introduced fee in the latest release not been applied to arkoor payments? --- ## [Error during self-send](https://community.second.tech/t/error-during-self-send/184)
**Author:** [@randy](https://community.second.tech/u/randy)\ **Replies:** 2\ **Last updated:** [March 3, 2026, 2:33am UTC](https://community.second.tech/t/error-during-self-send/184 "2026-03-03T02:33:16Z")
I got an error while trying to send to my own ark address on signet. I’m using the bark-cli built from source on commit 57be2d2d. Logs ba… --- ## [Announcing V-PACK: Independent verification and visualization for the VTXO ecosystem](https://community.second.tech/t/announcing-v-pack-independent-verification-and-visualization-for-the-vtxo-ecosystem/183)
**Author:** [@jgmcalpine](https://community.second.tech/u/jgmcalpine)\ **Replies:** 6\ **Last updated:** [February 20, 2026, 2:12pm UTC](https://community.second.tech/t/announcing-v-pack-independent-verification-and-visualization-for-the-vtxo-ecosystem/183 "2026-02-20T14:12:03Z")
Greetings! Following up on the technical discussion from a few weeks back I’ve just released VTXO-PACK (vpack), a project designed to provid… --- ## [RFC: Standardizing Virtual Transaction Templates for Cross-Implementation Interoperability](https://community.second.tech/t/rfc-standardizing-virtual-transaction-templates-for-cross-implementation-interoperability/181)
**Author:** [@jgmcalpine](https://community.second.tech/u/jgmcalpine)\ **Replies:** 2\ **Last updated:** [February 5, 2026, 2:30am UTC](https://community.second.tech/t/rfc-standardizing-virtual-transaction-templates-for-cross-implementation-interoperability/181 "2026-02-05T02:30:19Z")
Hi, I’ve been conducting a side-by-side audit of the transaction construction logic in both the Ark Labs (arkd) and Second (bark) repositor… --- ## [ArkSwap - Programmable transactions on Ark](https://community.second.tech/t/arkswap-programmable-transactions-on-ark/171)
**Author:** [@jgmcalpine](https://community.second.tech/u/jgmcalpine)\ **Replies:** 11\ **Last updated:** [January 20, 2026, 1:11pm UTC](https://community.second.tech/t/arkswap-programmable-transactions-on-ark/171 "2026-01-20T13:11:28Z")
Greetings! I recently found this community, happy to be here. I’d like to share an open source regtest implementation built recently to expl… --- ## [Ark Explorer/Stats Project](https://community.second.tech/t/ark-explorer-stats-project/167)
**Author:** [@shivaenigma](https://community.second.tech/u/shivaenigma)\ **Replies:** 6\ **Last updated:** [December 29, 2025, 11:54am UTC](https://community.second.tech/t/ark-explorer-stats-project/167 "2025-12-29T11:54:08Z")
We are thinking of creating a website showing statistics of Ark network / ability to lookup ark address / transactions. Need few things: A… --- ## [Unable to send vtxos to Bark Store, vtxos locked](https://community.second.tech/t/unable-to-send-vtxos-to-bark-store-vtxos-locked/162)
**Author:** [@arkanaut](https://community.second.tech/u/arkanaut)\ **Replies:** 5\ **Last updated:** [November 14, 2025, 8:15am UTC](https://community.second.tech/t/unable-to-send-vtxos-to-bark-store-vtxos-locked/162 "2025-11-14T08:15:31Z")
Hi folks, I’m following along with the tutorial using the latest bark (build from source 12-Nov-2025) against the esplora endpoint. I’ve go… --- ## [Heads up we've migrated our repo to GitLab](https://community.second.tech/t/heads-up-weve-migrated-our-repo-to-gitlab/158)
**Author:** [@nwoodfine](https://community.second.tech/u/nwoodfine)\ **Replies:** 0\ **Last updated:** [October 30, 2025, 1:12pm UTC](https://community.second.tech/t/heads-up-weve-migrated-our-repo-to-gitlab/158 "2025-10-30T13:12:47Z")
We love what the Codeberg team are doing, but we really needed some of the more advanced features offered by GitLab so bit the bullet and ma… --- ## [Standard BIP-32 derivation path for Ark?](https://community.second.tech/t/standard-bip-32-derivation-path-for-ark/154)
**Author:** [@basantagoswami](https://community.second.tech/u/basantagoswami)\ **Replies:** 4\ **Last updated:** [October 21, 2025, 8:42pm UTC](https://community.second.tech/t/standard-bip-32-derivation-path-for-ark/154 "2025-10-21T20:42:05Z")
Do we have a standard derivation path that a wallet should use to create an Ark wallet? I checked the Spark docs and they have one defined f… --- ## [Error in round sync: failed to sync round](https://community.second.tech/t/error-in-round-sync-failed-to-sync-round/151)
**Author:** [@Sagars209](https://community.second.tech/u/Sagars209)\ **Replies:** 5\ **Last updated:** [September 4, 2025, 11:05am UTC](https://community.second.tech/t/error-in-round-sync-failed-to-sync-round/151 "2025-09-04T11:05:12Z")
every time i run bark command i see \[2025-09-02 16:51:55.048 ERROR\] Error in round sync: failed to sync round also i created 2 wallets and… --- ## [General Use Case Question for Stores in Spain](https://community.second.tech/t/general-use-case-question-for-stores-in-spain/146)
**Author:** [@mabel](https://community.second.tech/u/mabel)\ **Replies:** 1\ **Last updated:** [September 1, 2025, 2:24pm UTC](https://community.second.tech/t/general-use-case-question-for-stores-in-spain/146 "2025-09-01T14:24:53Z")
Congratulations on your inspiring work! I would like to ask you a question about how to integrate Ark into my solutions in Spain in the near… --- ## [Are there dev docs to develop an Ark client?](https://community.second.tech/t/are-there-dev-docs-to-develop-an-ark-client/143)
**Author:** [@arejula27](https://community.second.tech/u/arejula27)\ **Replies:** 2\ **Last updated:** [August 12, 2025, 11:31am UTC](https://community.second.tech/t/are-there-dev-docs-to-develop-an-ark-client/143 "2025-08-12T11:31:07Z")
I couldn’t find any documentation for developing a wallet/client. Is there an API reference or SDK available so I can try building a wallet … --- ## [Unexpected VTXO Created From Send-Onchain Spend](https://community.second.tech/t/unexpected-vtxo-created-from-send-onchain-spend/137)
**Author:** [@ot8to](https://community.second.tech/u/ot8to)\ **Replies:** 2\ **Last updated:** [July 22, 2025, 6:11am UTC](https://community.second.tech/t/unexpected-vtxo-created-from-send-onchain-spend/137 "2025-07-22T06:11:27Z")
After testing for some time I decided to take the Signet funds out of ARK and into another wallet. I wasn’t sure what the fee would cost so … --- ## [Zero Fees Paid On All Lightning Payments to Byte Store](https://community.second.tech/t/zero-fees-paid-on-all-lightning-payments-to-byte-store/138)
**Author:** [@ot8to](https://community.second.tech/u/ot8to)\ **Replies:** 2\ **Last updated:** [July 22, 2025, 6:09am UTC](https://community.second.tech/t/zero-fees-paid-on-all-lightning-payments-to-byte-store/138 "2025-07-22T06:09:45Z")
After making several successful LN payments to the Byte Store I noticed that there were no fees paid. We wouldn’t expect a zero fee LN trans… --- ## [Bark send-onchain: how to send full balance?](https://community.second.tech/t/bark-send-onchain-how-to-send-full-balance/124)
**Author:** [@Impalor](https://community.second.tech/u/Impalor)\ **Replies:** 6\ **Last updated:** [July 21, 2025, 6:34am UTC](https://community.second.tech/t/bark-send-onchain-how-to-send-full-balance/124 "2025-07-21T06:34:20Z")
This error seems to suggest that – --all should do the trick: % bark send-onchain tb1qzdgwc0283wz7pzmcp0lcm2hjw8dtlnqu2c96jv --all error: u… --- ## [Faucet not working?](https://community.second.tech/t/faucet-not-working/135)
**Author:** [@Toskosz](https://community.second.tech/u/Toskosz)\ **Replies:** 1\ **Last updated:** [June 5, 2025, 5:43pm UTC](https://community.second.tech/t/faucet-not-working/135 "2025-06-05T17:43:09Z")
Ark payment failed when trying to get sats through second faucet. --- ## [Suggested update to documentation](https://community.second.tech/t/suggested-update-to-documentation/130)
**Author:** [@neha](https://community.second.tech/u/neha)\ **Replies:** 5\ **Last updated:** [May 16, 2025, 5:07pm UTC](https://community.second.tech/t/suggested-update-to-documentation/130 "2025-05-16T17:07:11Z")
In the “Connectors make swap atomic” section here: It’s a little unclear what’s happening with the new on-chain transaction with W, X, Y,… [Next page](https://community.second.tech/latest.md?page=1)