由于它对比特币进行了良好，横断链的主要卖点是安全性。原始区块链 - 用于比特币的分布式分类账 - 从未受到影响，从未受到影响，导致投资分布式分区技术（DLT）的金融服务公司的匆忙，以使其计算基础设施现代化。
The DLT hype of the past two years, though, has given way to a more sober, realistic dialogue about the need for sustained development for firms to see a return on their investment in the revolutionary technology in five to ten years. Security, as it happens, is not a done deal.
As air tight as the Bitcoin blockchain has proven to be, it is not directly transferable to the rest of the financial industry. Wrapped up with other requirements, such as auditability, identity management, and know-your-customer compliance, security and data-integrity issues have to be addressed in a bespoke fashion. That takes time, which should give pause for concern, considering that mobile devices and the Internet of Things rolled out faster than did adequate security measures.
“不要认为只是因为它被称为区块链，比特币是如此安全，它会没事的，”说：“说Uri Rivner.是，Biocatch的网络策略负责人，他在2月份在RSA会议上发表了这些观点，这是旧金山的一年一度信息安全活动。“现实是，这是狂野的西方。”
比特币的区块链是DLT的一个实施，在私人区块链中的扩散中。
While Bitcoin’s design is “a revolutionary and elegant solution” to serve the objectives of “a secure, public, peer-to-peer electronic cash system that avoids the need for intermediaries,” it doesn’t solve the needs of the entire financial industry, according to a Decemberwhite paperby Digital Asset Holdings, a DLT company led by chief executive officerblythe masters.，JPMORGAN Chase＆Co Co.申请的前银行家申请证券清算和衍生品处理，例如，“呼吁一个非常不同的解决方案”，该公司在论文中表示，因为这些市场在交易方面受到高度监管和实质性不同卷。
比特币是公开的，允许的，这意味着任何人都可以通过隐含地购买自治规则和程序来参加。私人区块链需要问责制，因此他们自己的治理，许可管理和安全框架。对比特币至关重要的个人隐私和匿名性在私人环境中不会接受。
比特币挖掘和“工作证明”，禁用在公共区块链上验证交易的已接受的技术过程。Corda.平台由team led by blockchain firm R3’s chief technology officer理查德绅士棕色，通过分配“公证人”来解决其出现时解决交易冲突的“隐私和可扩展性问题”。
“DLT没有完美的解决方案;只是权衡，“布朗写在一个1月博客. The public blockchain ensures validity through full public broadcast of “pretty much everything that happens,” he wrote, noting that would be “a privacy and scalability disaster” for a private blockchain.
好消息是DLT球员在案件上。
“在监管金融服务中申请DLT的第一个和最基本的要求是保留由DLT储存和协调的敏感信息的隐私，”数字资产said在11月份的全局同步日志上。该公司表示，该日志旨在提供相同的“完整性，隐私和透明度保证，在共享，复制的LEDGERS中找到。”
Ron Lefferts.是金融服务团体的管理合作伙伴IBM全球商业服务，说“安全是一个关键的设计点”，因为信任和可靠性对金融网络至关重要。它的重要性是强调的Hyperledger Project那a standards-promoting, blockchain technologies group whose members include IBM, Digital Asset, and R3.
为了展示区块链可以为批发金融提供如何提供批发金融，莱佛斯与IBM与北方信托公司合作，为私募股权管理提供技术。近年来，私募股权的基础设施较少的创新，即使是投资者的透明度，安全性和效率，据一季度发表Northern Trust在“安全性”区块链中为市场建造的公司。“参与者只看到他们应该看到的信息;莱弗斯说，监管机构可以看到所有人。
还有其他与区间有关相关的创新。例如，埃森哲是2月份在超涉水者小组中活跃的数字资产股东announceda hardware device for storing digital keys, which are far less secure in a software format.
“For blockchains to work, we need to believe and trust them, which means every participant must agree and anticipate how they will take part in the chain,” says乔恩餐馆泰尔斯电子安全首席技术官，硬件安全模块的供应商。“不幸的是，创新和脆弱性经常掌握。”