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WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
@WietseWind
Apr 17, 2020 • 3 tweets • 2 min read • Read on X
After the @Cloudflare outage two days ago @alloynetworks and I started working on failover infrastructure for the xrpl.ws XRP ledger node cluster.

- Separate DNS
- Separate cloud provider
- Separate routing & networks
- Separate connectivity (IP vs tunnel) Image
This setup allows us to (depending on how bad things are during a possible future outage):
- Reroute Cloudflare inbound traffic to the fallback infra
- Switch hostnames

We will add the fallback infra available at wss://xrpl.link to #XUMM for auto failover.
⚠️ Please note! Please DO NOT use wss://xrpl.link as your primary endpoint, as features like geo based routing & low latency routing are *NOT* available: that's wss://xrpl.ws only. Cloudflare outage? We'll try to reroute. xrpl.link = last resort.

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More from @WietseWind

WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
Jun 1, 2023
🧵 Why is it always the ETH/EVM ecosystems coming up with new cool features and ideas, and why is the XRPL always playing catch up?

Because of smart contracts.

You don't have to change the entire blockchain protocol: you get a blank canvas, come up a new feature and build it.
I've been around in the XRPL ecosystem long enough to be certain it's not because of a lack of brains and creativity by XRPL devs.

It's insanely hard to write core XRPL code. Even harder to get your idea merged by @RippleXDev devs, close to impossible to get it voted in.
So, how can XRP Ledger protocol chains lead instead of play catch up with the latest crypto/DeFi fad & retail features?

By giving XRP Ledger Protocol devs a blank canvas for their ideas & creativity as well. And at @XRPLLabs we've built just that.

Hooks.
Read 6 tweets
WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
Oct 12, 2022
Dear Xumm users in our homeland, The Netherlands 🇳🇱

The wait is over. You can now use On-ramp services: send EUR from your bank account to XRP in your XRP Ledger account.

Off-ramp will be added later this week.

Tap your Xumm "Home button" and On/Off-ramp will be listed.

🧵»» Xumm users in The Netherlands can now use Onramp services: E
🤔 How does this work?

You onboard once, we do the required KYC & Proof of Address. You can then open the On/Off-ramp xApp any time.

We give you a deposit description which you can use to send from your IBAN to our IBAN. Within minutes you'll have the XRP in your XRPL account.
🤔 What are the per transaction fees?

When turning your EUR into XRP and vice versa, we get you the best spot rates possible through our liquidity providers. We're talking *good* prices. Decent exchange prices, not those awful "buy crypto quick and easy" with 3+% markup prices.
Read 11 tweets
WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
Aug 4, 2022
SOL vs @XummWallet 🧵

As far as I know it's still not certain how the SOL attack happened. There are a couple of theories, the two most shared/speculated:

- Faulty crypto (signing) implementation
- Generated keys compromised (sent in plain text over the wire after generation)
While it's never 100% possible to say a wallet is not at risk (not even for hardware wallets) of any security issues, I feel it's safe to say that neither one of the speculated issues apply to Xumm.

We feel we are doing a better (more transparent) job than the wallets involved.
The crypto parts (and many other relevant components) of Xumm have been audited. The audit is still ongoing. There are some interesting findings, things we can improve. But overall no high risk remote exploitable, nor mass exploitable things found.

support.xumm.app/hc/en-us/artic…
Read 15 tweets
WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
Aug 4, 2022
@TheHodlerX As far as I know it's still not certain how the SOL attack happened. There are a couple of theories, the two most shared/speculated:

- Faulty crypto (signing) implementation
- Generated keys compromised (sent in plain text over the wire after generation)
@TheHodlerX While it's never 100% possible to say a wallet is not at risk (not even for hardware wallets) of any security issues, I feel it's safe to say that neither one of the speculated issues apply to Xumm.

We feel we are doing a better (more transparent) job than the wallets involved.
@TheHodlerX The crypto parts (and many other relevant components) of Xumm have been audited. The audit is still ongoing. There are some interesting findings, things we can improve. But overall no high risk remote exploitable, nor mass exploitable things found. support.xumm.app/hc/en-us/artic…
Read 10 tweets
WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
May 15, 2022
Most common attack vector used to scam crypto users? Tricking the users into entering their secret key, or sniffing it when a service asks for the secret. *NEVER* share your secret.

Did you know if you use @XummWallet @Tangem cards, this type of scam/attack won't work on you?
With the secret generated & stored inside a chip inside the card, you won't even have a secret to accidentally share.

Not having the secret is not a recovery problem if you configure a second "back up" card. Takes just a few minutes. This his why we sell min. two cards.
And what about the most common cause of users losing access to their funds? Lost secret keys. When you lost your secret key and still have access to your phone, you can "rekey" (configure a new secret). What if you find out you lost your secret key after you got a new phone?
Read 7 tweets
WietseWind - 🛠 XUMM @ XRPL Labs Profile picture
Mar 28, 2022
I'm getting a lot of questions about XRPL nodes, what they are, why they exist, what their specs are, etc. Here's what I replied in the past few days, hoping that it'll help more people.
There isn't one type of node. There are full history nodes, non full history nodes, validating nodes, etc. They run the same software, they are connected to the XRP Ledger, their config, use and hardware requirements are simply different.
Most questions I receive are actually answered by the XRPL.org documentation website. Lots of good and useful content here: xrpl.org/manage-the-rip….

Don't think you can run and maintain a node after skipping all that content. I can't offer you a shortcut.
Read 23 tweets

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