Statement on the “Biased Nonce Sense” Paper

2 min read • 

In the cryptography industry, it is well known that using repeated or insufficiently random “nonces” (also called “k” values) in ECDSA digital signatures carries security risks. A new research paper authored by Joachim Breitner and Nadia Heninger discloses a more serious attack than was previously known on signatures with imperfect nonces. The vulnerability comes from … Continued

Introducing XRP Ledger (rippled) version 1.1.2

4 min read • 

XRP Ledger (rippled) version 1.1.2 is now available. The XRP Ledger version 1.1.2 release includes a fix for a technical issue in the consensus “preferred ledger by branch” code, which could cause a validator to fail to settle on a single preferred branch of unconfirmed ledger history. While this is not entirely unexpected and the … Continued

Introducing History Sharding

3 min read • 

As rippled servers operate, they continually witness data appended onto an ever-growing blockchain. This data becomes the history that the network agrees upon and that constitutes everything about the XRP Ledger. As with most blockchains, it is imperative that XRP Ledger historical data remain readily available to participating servers. Therefore, every rippled server shares the … Continued

Updates Coming to Data API

2 min read • 

The Data API, which provides data to XRP Charts and third-party tools, is scheduled to update to version 2.4.0 in approximately two weeks, on 2018-11-07. This version improves the way the Data API imports and summarizes data on XRP Ledger validators. Improvements The Data API v2.4.0 changes provide the following benefits: Adds real-time tracking of … Continued

rippled Version 1.1.1

3 min read • 

Ripple has released rippled version 1.1.1, which improves handling of validator list sites. These changes improve retrieval of Ripple’s recommended UNL for servers in restrictive network environments, and prevent incorrect behavior in cases where a server is unable to fetch a validator list update before the previous list expires. Action Required If you operate a … Continued

DepositPreauth is Now Available

2 min read • 

The DepositPreauth and fix1515 amendments, added in rippled v1.1.0, became enabled on the XRP Ledger today, 2018-10-09. Action Required If you operate a rippled server, you should upgrade to version 1.1.0 (or higher) immediately. For instructions on upgrading rippled on supported platforms, see Updating rippled on supported platforms. Impact of Not Upgrading If you operate … Continued

Introducing XRP Ledger (rippled) version 1.1.0

5 min read • 

Ripple is pleased to announce the release of XRP Ledger (rippled) version 1.1.0. The XRP Ledger version 1.1.0 release includes the DepositPreAuth Amendment, which, combined with the previously released DepositAuth Amendment, allows users to pre-authorize incoming transactions to accounts, by whitelisting sender addresses. XRP Ledger version 1.1.0 release also includes incremental improvements to several previously … Continued

ripple-lib version 1.0.0

3 min read • 

We are pleased to announce the release of ripple-lib version 1.0.0! ripple-lib is a high-level JavaScript interface to the XRP Ledger. This version features a range of changes and improvements that make the library more capable and flexible. It includes new methods for accessing rippled APIs, including subscriptions. When using this version with rippled for … Continued

fix1571 is Now Available

2 min read • 

As previously announced, the fix1571 amendment became enabled on the XRP Ledger on 2018-06-19. Furthermore, the fix1623 amendment is expected to become enabled on 2018-06-20, followed by the fix1543 amendment on 2018-06-21. Action Required If you operate a rippled server, you should upgrade to version 1.0.1 (or higher) immediately. For instructions on upgrading rippled on … Continued

rippled Version 1.0.1

3 min read • 

Ripple has released rippled version 1.0.1, which includes fixes for issues identified by Ripple engineers and reported by external security researchers. These issues, when exploited, could cause a rippled instance to restart or, in some circumstances, stop executing. While these issues can result in a denial of service attack, none affect the integrity of the … Continued