Ripple is a multi-currency payment system.

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What's the size of the last Ripple ledger and the indices to search through it?

What is the size of the current ledger and all indices required to efficiently search through it or query it? Also, how will this size grow relative to the number of Ripple users? Side-question: what ...
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1answer
20 views

how can you calculate the total XRP transaction fees for an offer?

If I place an offer (say BUY 1.0 BTC, SELL 450 USD), how do I know what my expected transaction fees are? Is the transaction fee applied to the offer, or is the transaction fee applied to each ...
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1answer
21 views

Recurring micro-payments platform

I'm thinking through SaaS platform, where customers will pay little (20-50 cents) fee for daily use. My first thought was to create own internal currency and deduct customer's balance daily. But I'm ...
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23 views

How can one know which money exchanges happen in Ripple?

In Ripple, money can be exchanged in two ways: a payment is sent from a person to another person 2 satisfying offers fulfill each other The Ripple wiki states When an offer is placed it will ...
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2answers
117 views

What is the reason for using PoW in bitcoin?

As we know bitcoin uses Proof of Work Concept and it introduces never ending long block chain and some other issues. Why is it not designed in a way to use consensus algorithms what ripple uses? What ...
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1answer
244 views

What is the difference between Ripple and Stellar?

I went through the site but I don't see how Stellar differs from Ripple. I see that there are differences in distribution, everything is made open source from day one and the company is non profit ...
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1answer
33 views

Ripple - how to properly set flags?

At the moment I'm trying to add flags to my custom Ripple transactions that I submit through JSON RPC. However, when I send my request: { "id":1, "method":"sign", "params":[ { ...
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1answer
164 views

ripple consensus - mathematical certainty for all unl graphs?

It has been stated that ripple reaches to consensus with mathematical certainty. If we analyze the consensus protocol, we can see that a specific validator can have a very narrow view of the state of ...
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2answers
42 views

How to properly use PreviousTxnID in a Ripple Transaction?

At the moment I am implementing a transaction overwriting with NOPs in Ripple. I want to store information about a transaction I am overwriting inside of the NOP. Looking at the PreviousTxnID field it ...
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1answer
47 views

Ripple partial payments

I've read on the Ripple Wiki page for Transactions about partial payments. I am wondering how a partial payment would look when data is polled about an account? Would the transaction amount be ...
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23 views

Is demurrage already integrated into Ripple? If so, how does one create a demurrage currency?

The Ripple wiki has a page about demurrage currencies being a possibility in Ripple. However, it's not entirely clear whether this feature is already implemented in the server or client, and if so, ...
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1answer
19 views

Can a Ripple Transaction Sequence have gaps?

I am wondering whether a Ripple Transaction with a Sequence number that ships over a few numbers from the previous Sequence number be accepted as a valid transaction in the Ripple Network? For ...
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24 views

Does btc2ripple have some API documentation?

I know that RippleTrade allows one to fund their account through btc2ripple without registering at their website. Do they have some API documentation as to what calls they support?
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1answer
102 views

What is the best way to implement micropayments with Ripple?

I'm interested in the following use cases: Web content Voice and media traffic For the first case, it would be ideal to be able to include some sort of proof in a custom HTTP request header ...
3
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1answer
73 views

Does Ripple use an RDBMS? If so, which one?

Do Ripple servers use RDBMS? If so, which one? I think I remember reading that Bitcoin uses some sort of file database. Same for Ripple?
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3answers
132 views

Does using Ripple to accept Bitcoin reduce risk of Bitcoin fraud?

Does Ripple reduce the risk of double-spending, or other types of issues that may crop up when using Bitcoin natively?
7
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1answer
62 views

How can I use Ripple to accept Bitcoin, USD, and other currencies on my site?

I don't want to limit myself to just using Bitcoin on my site, especially when there are other interesting Alt-coins on the market. I'm pretty sure I can use Ripple to accept Bitcoin, however I'm ...
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0answers
35 views

Given secret, learn account details

I'm building a tool that uses ripple-lib on the client side and ripple-rest on the server side. For some features, I need the administrator to provide the account secret. I could prompt the user for ...
6
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2answers
133 views

How to accept payments via Ripple on a website

A web search led to Ripple.com. Is it possible to add the payments via Ripple payment to an e-commerce website? Where can i find source code to implement such Ripple payments? For example, there are ...
3
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1answer
59 views

Must I have an account with every gateway I use as an issuer?

In the Ripple Client, in order to convert to BTC, I need to select a Base Currency (it currently says BTC ???.) I searched for a Base Currency Issuer address and found how to grant trust to ...
4
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1answer
43 views

Why can't I spend my reserve XRP and delete my address from the network?

I understand the Ripple reserve system. You need some XRP in order for you to preserve your account into the Ripple network and additional XRP to assign trust line to your account. I also understand ...
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1answer
50 views

How to preserve anonymity within Ripple?

The common practice for cryptocoins like Bitcoin is to limit address reuse to preserve anonymity. This is achieved by sending the "change" of a transaction to another address and using a unused ...
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0answers
45 views

Why ripple needs 80% of threshold in consensus? [duplicate]

Why ripple needs 80% of threshold in consensus? What is the mathematical prove behind that? Why not 66% threshold? Because i think 66% threshold in consensus is enough to validate a transaction in a ...
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97 views

Ripple Distributed Consensus Algorithm

What kind of a Consensus Algorithms does ripple use? Is that a leader or leaderless distributed consensus algorithm? Then what?
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49 views

destination_tag best practices when integrating Ripple

I'm integrating Ripple with a commerce system, to accept payments to a Ripple wallet. My understanding is that the destination_tag, an integer, is the only data I can use to track a transaction. I ...
5
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1answer
132 views

“Fidor to integrate Ripple protocol”, what does that mean?

On Monday Ripple Labs announced that Fidor Bank AG will be integrating the Ripple protocol later this year. Has somebody found concrete statements what this will entail? Will Fidor Bank AG only ...
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1answer
100 views

Why does Ripple needs to have a long ledger?

Why does ripple need to maintain a long ledger? Why is it not enough to maintain only the most previous transaction details? What is the purpose of having a long history ledger?
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Pros and Cons between Ripple payment verification and centralized authority's payment verification

I want to know the advantages and disadvantages between Ripple payment verification system and centralized authority's payment verification system.
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132 views

Generating Ripple address

I am trying to recreate the Ripple address from Account Family wiki page and I am having some problems. I have the private generator of ...
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1answer
328 views

Bitcoin arbitrage using ripple

Can someone smarter than me please give me step-by-step instructions on how to make money taking advantage of the disproportional BTC values across exchanges? I think using ripple could make the ...
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1answer
45 views

Can a trade offer be the last leg of a Ripple transaction path? If so, do transit fees apply?

I think I understand, for the most part, how rippled finds transaction paths, and how gateways can charge transit fees; but some of the edge cases have me wondering... Let's say my wallet has XYZ ...
2
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1answer
80 views

Who has copied or reimplemented Ripple?

There have been almost an infinite amount of Bitcoin clones, but I have yet to see a Ripple clone or a Peercoin clone for that matter. I'd include Nextcoin, but I don't think the full source has been ...
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1answer
107 views

How to obtain trades from the websocket transaction feed?

I am having a hard time figuring out how to extract trade information (i.e. a payment relative to an offer) from the Ripple websocket transaction feed. From my current understanding, I guess there ...
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2answers
67 views

Why did Ripple do a giveaway?

Was there ever a stated reason for the giveaway? Was this in response to the ridiculous criticisms they received such as "centralization" and concentration of wealth?
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95 views

How did Ripple handle DoS/DDoS during the ripplescam.com days?

I'm going to assume that during the days where Ripple was irrationally hated by some sub-population, a la the ripplescam.com site which used to be the first result on Google for "ripple coin" until ...
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1answer
63 views

How would AML techniques work in Ripple?

Can anyone explain how AML rules, alerting, and FinCEN reporting would work under Ripple?
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50 views

Ripple: How to monitor multiple accounts reliably and effectively?

rpc = RippleNetwork(app.config['RIPPLE_SERVER']) poll = RippleNetwork(app.config['RIPPLE_SERVER']) last_ledger = Variables.get('ripple_last_ledger') poll.subscribe(streams=['ledger']) while True: ...
3
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1answer
68 views

How can Ripple trust lines be exploited to scam unknowing people?

This ripple forum post says moocowpong1 wrote: "She might also do this for free if she has IOUs from GatewayB and wants to convert them to GatewayA IOUs." She might also do this ...
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1answer
35 views

Does Ripple use NTP?

Does Ripple use NTP or expect the nodes to do so? If not, why not? It seems that Ripple is a little more closed than your standard cryptocurrency, so this doesn't seem like an excessive demand.
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1answer
28 views

How do I reduce the loglevel on rippled?

By default, rippled seems to log at the NFO level, which spits out many megabytes of log files each day. How do I reduce this level? According to the Ripple wiki, we can edit pass arguments to rippled ...
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1answer
85 views

Installing ripple coin daemon and Ripple coin-QT in ubuntu gives error

I install ripple coin from Github as I did for other coins. On cloning rippled rippled from Github, I can't find files under rippled as I found for other coins. I can not find much information ...
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1answer
128 views

Why would you pay a trading fee for Ripples?

Some exchanges (including BitStamp, JustCoin, Kraken, and many others) charge a nominal 0.5% trading fee for matched orders. However, it is also possible to trade directly on the Ripple network with ...
3
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1answer
70 views

How do I restore a Ripple wallet backup?

In the Ripple client (as of 0.2.48-2) there is a way to backup a wallet to a text file. How can we use this file to restore a wallet (for example, to a new browser)?
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What happens in an extreme case if Ripple fails to make a consensus? Will that part of the network be segmented off?

What if the Ripple trust network becomes many trust hubs and spokes, and the hubs don't trust each other? In this extreme case, that could exist due to extreme network segregation, massive ...
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31 views

How and when is a Ripple Candidate set converted to a Proposal?

According to this video, Ripple receives Proposals from other trusted servers, and it receives transactions from anyone. At the 2:30 marker, it says that a proposal is only generated when a ...
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1answer
75 views

Ripple ledger time format?

I am wondering what is the format used in Ripple ledger time? For example, one of the most recent ledgers had close_time of 447299110. I initially thought it was UNIX time, but the current time was ...
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30 views

Are the Ripple URIs implemented in the reference client?

The Ripple wiki describes a number of URI parameters. I'm wondering if that page is a list of to do items, or is it describing features that exist in the reference client? I've grepped through the ...
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0answers
146 views

why we can't delete the trust line with ripple?

We can add trust line in our ripple wallet, but there is no option to delete this. The only way we can do is just set the limit to 0. why is this and what is the benefit from this design?
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1answer
84 views

How can a Ripple contract use random values and reach consensus?

There an interesting page about contracts on the Ripple Wiki. My limited understanding of contracts is that like other transactions in Ripple, it is the consensus across many servers that ensures ...
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1answer
86 views

Ripple node compensation

How does Ripple charge fees for XRP-only transactions to compensate nodes? I've heard of what I can only describe as a "network fee", that some XRP are burned per transaction. What is the motivation ...