Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on [email protected] for help. Thanks :)
Private profiles - please note that profiles marked as private will soon be public. This will facilitate moderation so mods can view users' warning histories. All of your posts across the site will appear on your profile page (including PI, RI). Groups posts will remain private except to users who have access to the same Groups as you. Thread here
Some important site news, please read here. Thanks!

Dublin CryptoCafe

Comments

  • Registered Users Posts: 1,223 pro_gnostic_8


    That they don't accept Bitcoin is a sad reflection on the current fees and confirmation times. Fully understandable, tho'.
    It would seem that the cafe might be a good candidate for the Lightning Network if they set up a channel.


  • Registered Users Posts: 2,261 ✭✭✭ garrettod


    Hi,

    While Bitcoin is extremely well known, you can't blame them for not wanting to accept it as payment given the transaction costs. I also don't think many people are holding it for retail purposes these days, with most who hold it doing so for speculative purposes, so unlikely to use it to pay for coffee etc.

    I think the concept of this new outlet is great, but I would be very curious to know how long the average payment is taking to process and if that's resulting in queues forming, as people try to order and pay for coffees ?

    I'll certainly pop in for a look at some stage.

    Thanks,

    G.



  • Registered Users Posts: 8,718 ✭✭✭ Matt Simis


    Perfect case study for Nano, zero fees, instant settlement (can you imagine waiting on BTC to finish confirming while ordering a coffee?), closed environment with backups (ie a single coffee shop).


  • Registered Users Posts: 1,223 pro_gnostic_8


    garrettod wrote: »
    Hi,

    I'll certainly pop in for a look at some stage.

    TBH, I'ld be hesitant about doing any crypto transaction in there!
    I presume the cafe's WiFi is an open network like every other cafe.

    An open, unencrypted WiFi network carries multiple and substantial risks. There are many attack vectors in such a network, like Man-In-The-Middle spoofs, sniffing of secure information, distribution of malware etc etc. These risks are very real.

    Would any members of this forum carry out sensitive communications ( codes, passwords, details etc) with their bank in a open cafe environment? I doubt it. Doing crypto tx's in such a situation is just as dangerous.

    Or maybe, I am just paranoid? :)


  • Registered Users Posts: 27,467 ✭✭✭✭ drunkmonkey


    What are the transaction costs on a 3 euro cup of coffee?

    I know I bought some of the top 5 coins from coinbase and it was more than 5 euro a go regardless of which one. Just bought 100 euro of each.


  • Advertisement
  • Registered Users Posts: 3,358 ✭✭✭ papu


    What are the transaction costs on a 3 euro cup of coffee?

    I know I bought some of the top 5 coins from coinbase and it was more than 5 euro a go regardless of which one. Just bought 100 euro of each.

    You are buying, not transferring, sending fees for LTC are median 0.05 USD and 0.388 USD for ETH

    from https://bitinfocharts.com

    I'm not bothered to find the exact fee on a cup of coffee, you could check this yourself on coinbase app


  • Registered Users Posts: 1,223 pro_gnostic_8


    What are the transaction costs on a 3 euro cup of coffee?

    I know I bought some of the top 5 coins from coinbase and it was more than 5 euro a go regardless of which one. Just bought 100 euro of each.
    For Litecoin, a fee of around 4 cent. You'll be waiting around for about two minutes for a confirmation at that fee level.

    Ethereum would be in the 30 cent range -- at that fee you will be looking at a confirmation time of about 5 minutes. Pay a €1.50 fee and you will get your coffee in around a minute.
    (The above is predicated, tho', that the ETH network isn't clogged with some new ICO launching at the same time). :)


    And of course, you will be only able to dictate those fees if you are using a wallet that has integrated custom fees (one that allows you to set the fee yourself).


  • Registered Users Posts: 1,223 pro_gnostic_8


    papu wrote: »
    You are buying, not transferring, sending fees for LTC are median 0.05 USD and 0.388 USD for ETH
    Crossposted with the above.
    (But glad to see the confirmation). :)


  • Registered Users Posts: 3,358 ✭✭✭ papu


    TBH, I'ld be hesitant about doing any crypto transaction in there!
    I presume the cafe's WiFi is an open network like every other cafe.

    An open, unencrypted WiFi network carries multiple and substantial risks. There are many attack vectors in such a network, like Man-In-The-Middle spoofs, sniffing of secure information, distribution of malware etc etc. These risks are very real.

    Would any members of this forum carry out sensitive communications ( codes, passwords, details etc) with their bank in a open cafe environment? I doubt it. Doing crypto tx's in such a situation is just as dangerous.

    Or maybe, I am just paranoid? :)

    Crypto transactions are signed
    The singature becomes invalid when you change anything in the transaction.
    - you cannot change the amount
    - you cannot change the destination
    In the users wallet there is a hidden secret "private key" only the true owner of coin can sign "spend" the coin.

    I don't think there is any opportunity to steal coins from crypto transactions


  • Registered Users Posts: 1,223 pro_gnostic_8


    papu wrote: »
    Crypto transactions are signed
    The singature becomes invalid when you change anything in the transaction.
    - you cannot change the amount
    - you cannot change the destination
    In the users wallet there is a hidden secret "private key" only the true owner of coin can sign "spend" the coin.

    I don't think there is any opportunity to steal coins from crypto transactions
    Oh, okay, if you feel safe in such an environment, then, fair enough.
    But just this, and I didn't mention anything about amounts, destination or private keys, I'm talking about when you open and sign into your wallet with PIN and password, then, it is at that moment that you are vulnerable in an open unencrypted network.


  • Advertisement
  • Registered Users Posts: 13,972 ✭✭✭✭ SteelyDanJalapeno


    Do they accept Nano?


  • Registered Users Posts: 2,261 ✭✭✭ garrettod


    Hi,

    I'd be interested to hear what the cafe operator has to say about these potential risks.

    They must have considered them, and obviously if there is real risk to the customer here, then the odds are that they won't be in business very long.

    Thanks,

    G.



  • Registered Users Posts: 27,467 ✭✭✭✭ drunkmonkey


    garrettod wrote: »
    Hi,

    I'd be interested to hear what the cafe operator has to say about these potential risks.

    They must have considered them, and obviously if there is real risk to the customer here, then the odds are that they won't be in business very long.

    No risk he's sold 6 cups of coffee and got free national exposure for his business.


  • Registered Users Posts: 88 ✭✭✭ crytoadvice


    TBH, I'ld be hesitant about doing any crypto transaction in there!
    I presume the cafe's WiFi is an open network like every other cafe.

    An open, unencrypted WiFi network carries multiple and substantial risks. There are many attack vectors in such a network, like Man-In-The-Middle spoofs, sniffing of secure information, distribution of malware etc etc. These risks are very real.

    Would any members of this forum carry out sensitive communications ( codes, passwords, details etc) with their bank in a open cafe environment? I doubt it. Doing crypto tx's in such a situation is just as dangerous.

    Or maybe, I am just paranoid? :)

    Is there not a physical risk also that customers could be targeted. Anyone going in to the cafe can be presumed to be carrying crypto in some form of wallet. Its not like entering and leaving a bank, the customer will definetly have crypto on them.

    Btw Im using a wifi modem. Whats the difference in my setup to the public wifi that a cafe offers. I know the cafe provides the password to customers. is that the only difference in security


  • Moderators, Society & Culture Moderators Posts: 25,535 Mod ✭✭✭✭ Dades


    You don't have to use wifi just because you're in a cafe. Won't most people just use their phone network? There's no requirement to hook up to anything - just to get a wallet address (via QR code) and send using whatever method you choose?

    There's no benefit to paying with crypto here but that's not the point. It's still a curiosity, and one shared by owners/patrons. I'd do it just to be the first person I know to buy something with crypto.


  • Registered Users Posts: 8,718 ✭✭✭ Matt Simis


    Oh, okay, if you feel safe in such an environment, then, fair enough.
    But just this, and I didn't mention anything about amounts, destination or private keys, I'm talking about when you open and sign into your wallet with PIN and password, then, it is at that moment that you are vulnerable in an open unencrypted network.

    If you believe all of this is realistically going to happen then you dont believe crypto currencies can ever be used as intended!
    Or just dont use the open WiFi like a tourist, use your own phone's network. :p


  • Closed Accounts Posts: 2,021 lifeandtimes


    Dades wrote: »
    You don't have to use wifi just because you're in a cafe. Won't most people just use their phone network? There's no requirement to hook up to anything - just to get a wallet address (via QR code) and send using whatever method you choose?

    There's no benefit to paying with crypto here but that's not the point. It's still a curiosity, and one shared by owners/patrons. I'd do it just to be the first person I know to buy something with crypto.

    Or just use a paper wallet with qr code and boom no issues and you've paid for you coffee with crypto


  • Registered Users Posts: 1,223 pro_gnostic_8


    Matt Simis wrote: »
    Or just dont use the open WiFi like a tourist, use your own phone's network. :p
    Yeh, I don't have an eat-all-you-can data plan. Outdoors, I use whatever WiFi is available -- and it is fairly ubiquitous in pubs and cafe's nowadays.
    My posts earlier were specifically abut tx'ing cryptos in an open WiFi environment. Anyone who does so in that new cafe could well get burnt -- not all newcomers to crypto are fully aware of necessary security in the crypto space.
    If you believe all of this is realistically going to happen then you dont believe crypto currencies can ever be used as intended!
    Oh indeed, I've made quite a few purchase with Bitcoin over the years -- a Trezor, a PS4, some other bits and bobs from Purse.io and Newegg. But always I pressed the Send Bitcoin button in a secure private network.


  • Moderators, Category Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 59,698 CMod ✭✭✭✭ unkel


    Yeh, I don't have an eat-all-you-can data plan.

    Surely, a crypto transfer takes up very little bandwidth. It's not like you're watching Netflix in 4k :p

    Seriously, I wouldn't use public open wifi ever. Why would you chance it when you have data? And who doesn't have data these days? My daughters have free unlimited everything on virginmedia for €5 per month each

    What plan are you on? Whatever it is, you're paying far too much!

    "Wind is Ireland's oil" - An Taoiseach, 25/05/2022



  • Registered Users Posts: 1,223 pro_gnostic_8


    unkel wrote: »
    My daughters have free unlimited everything on virginmedia for €5 per month each

    What plan are you on? Whatever it is, you're paying far too much!
    A fiver ????
    Obviously I'm getting ripped biggly. I'm on Vodaphone Red Essentials at €35 a month -- and they deign to give me 2GB data allowance.
    I'ld go for 3 network and their plan, but 3's coverage in my part of the country is shockingly bad -- non-existent even. No exaggeration.

    Anyway, that's not the point, really. Some people might not be as savvy as you or other folk on here about internet security. Some people might, and do, just switch on the WiFi when in a cafe or pub. They are vulnerable if doing so. That's all I was saying, essentially.


  • Advertisement
  • Moderators, Category Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 59,698 CMod ✭✭✭✭ unkel


    I get your point and yes, your plan is the worst value for money out there. My wife is on it too and insists on keeping it. You don't even get a decent phone with that package :eek:

    €5 was a 5/mth offer from virginmedia. Post Office are doing a €10/mth offer at the moment. I'm on a decent 10GB data deal with Eir that is €20/mth. All no contract buy your own phone billpay deals. Sorry for OT but I like saving myself (and others) money :)

    "Wind is Ireland's oil" - An Taoiseach, 25/05/2022



  • Registered Users Posts: 88 ✭✭✭ crytoadvice


    unkel wrote: »
    I get your point and yes, your plan is the worst value for money out there. My wife is on it too and insists on keeping it. You don't even get a decent phone with that package :eek:

    €5 was a 5/mth offer from virginmedia. Post Office are doing a €10/mth offer at the moment. I'm on a decent 10GB data deal with Eir that is €20/mth. All no contract buy your own phone billpay deals. Sorry for OT but I like saving myself (and others) money :)

    You should be getting 15gb fro 20euro
    https://www.eir.ie/mobile/prepay/


  • Moderators, Category Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 59,698 CMod ✭✭✭✭ unkel


    You should be getting 15gb fro 20euro
    https://www.eir.ie/mobile/prepay/

    Either with no txts or no calls or no data? And I do already get more than 15GB if the roaming data is included. Read your links next time before you post them man ;)

    "Wind is Ireland's oil" - An Taoiseach, 25/05/2022



  • Registered Users Posts: 88 ✭✭✭ crytoadvice


    unkel wrote: »
    I get your point and yes, your plan is the worst value for money out there. My wife is on it too and insists on keeping it. You don't even get a decent phone with that package :eek:

    €5 was a 5/mth offer from virginmedia. Post Office are doing a €10/mth offer at the moment. I'm on a decent 10GB data deal with Eir that is €20/mth. All no contract buy your own phone billpay deals. Sorry for OT but I like saving myself (and others) money :)
    unkel wrote: »
    Either with no txts or no calls or no data? And I do already get more than 15GB if the roaming data is included. Read your links next time before you post them man ;)

    I dont see any offer on Eir for prepay that has data for 10euro whether on Simply
    Unlimited or Simply Plans.

    You said this which is a contradiction "All no contract buy your own phone billpay deals". A billpay deal is a contract. Why would anyone tie themselves to a contract for 10euro and buy your phone?


  • Closed Accounts Posts: 2,021 lifeandtimes


    lads maybe take this to Eir forum and leave this for the crypto cafe


  • Moderators, Category Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 59,698 CMod ✭✭✭✭ unkel


    Apologies for the off topic, but I can't leave it like that.
    I dont see any offer on Eir for prepay that has data for 10euro

    You misread my post. Post office is €10 at the moment (not Eir)
    You said this which is a contradiction "All no contract buy your own phone billpay deals". A billpay deal is a contract. Why would anyone tie themselves to a contract for 10euro and buy your phone?

    Most of them are 30 day contracts which can be cancelled without charge. I'm pretty sure that the €5 / month all you can eat everything from Virgin that was valid for 5 months can be cancelled at no charge at the end. Very different from the normal contracts where the monthly bill is many times higher and the contract period is usually 24 months (and you still don't get a decent phone for free) like the Vodafone 35 plan mentioned

    "Wind is Ireland's oil" - An Taoiseach, 25/05/2022



  • Registered Users Posts: 2,261 ✭✭✭ garrettod


    unkel wrote: »
    Apologies for the off topic, but I can't leave it like that. ....

    Ah come on mate, couldn't you have edited a previous post to get the same message across, or sent a PM to tell the other party that they misread your post ?

    How about splitting this thread now, putting the mobile phone stuff into a new thread in it's correct forum, then put a link here to redirect people if they want to continue the conversation ?

    ... and just for the record, I'm as guilty as the next fella of taking threads off topic from time to time, so please don't get me wrong here - but we all need to encourage each other to do the right thing, from time to time :)



    .

    Thanks,

    G.



Advertisement