Block Introduces Dessa: The AI Voice That Sounds Human, Between Wonder and Concerns About Fraud
Technology, capable of natural conversations, divides public opinion between educational potential and risks of manipulation

KEY TAKEAWAYS
- Dessa, Block's voice AI, has been trained on human speech and can operate locally on a MacBook Pro with an M4 Max chip.
- The technology has elicited mixed reactions: on one hand, admiration for its ability to simulate human interactions, on the other, concerns about the risk of phone scams.
- Changpeng Zhao, founder of Binance, has suggested possible applications in the field of child education.
- Block has not yet revealed model size, benchmarks, or a release date, limiting access to a small group of AI security researchers.
Block unveils Dessa, the AI voice that surprises for its humanity
Block, Jack Dorsey's company, has introduced Dessa, a vocal artificial intelligence model that has sparked mixed reactions for its ability to simulate human conversations. Trained exclusively on human speeches and capable of running locally on a MacBook Pro with M4 Max chip, the system represents a significant step forward in natural language processing technology.
Quick Answer
Dessa is a vocal artificial intelligence model developed by Block that stands out for its ability to simulate human conversations. It uses an innovative approach based on direct audio, without preliminary text conversion, and can run locally on devices with M4 Max chips. The technology is currently in preview for selected researchers.
Revolutionary technology with a unique approach
Dessa differs from traditional solutions because it processes audio directly, without going through text conversion. This approach allows the model to handle interruptions, laughter, and tone changes during conversations, creating a more natural experience. Block trained the model from scratch using a single Nvidia GB200 NVL72 computing system, demonstrating impressive processing power.
Immediate reactions and potential applications
The launch of Dessa has generated a wave of reactions on social media, with users expressing both amazement at the naturalness of the interactions and concerns about the potential misuse of the technology. Changpeng "CZ" Zhao, founder of Binance, suggested possible applications in the field of education, particularly for projects like GiggleAcademy, which aims to teach children through natural voice interactions.
Concerns about security and ethics
Some users have expressed fears about the potential for deception arising from the humanity of the synthetic voice. Justine Bateman, a director, questioned the need to make AI voices so human, suggesting that this could lower people's defenses. Shiv Aroor, a journalist, raised specific concerns about the increase in phone scams that could result from this technology.
Future prospects and continuous development
Block has not yet revealed the size of the model, benchmark results, or a public release date. Currently, Dessa is only available as a research preview for a select group of AI security researchers. The company is exploring how voice-based AI can become more skilled at recognizing emotional signals such as suffering and pain, which text transcripts might not capture.
The corporate context and market implications
Block, which operates through Square, Cash App, the bitcoin wallet Bitkey, and the hardware mining unit Proto, has an AI research lab that reports directly to Jack Dorsey. The lab includes former employees of Dessa, an AI company based in Toronto acquired by Square in 2020. This acquisition allowed Block to integrate advanced expertise in the field of vocal AI.
The importance of NIS2 compliance and cyber insurance
With the advent of advanced technologies like Dessa, it becomes crucial to consider regulatory and security implications. The NIS2 directive imposes stringent requirements for the security of critical infrastructures, while cyber insurance becomes an essential element to protect companies from potential cyberattacks. Identity management and zero trust architecture are fundamental components to ensure the security of sensitive data.
For further insights into NIS2 compliance and the protection of sensitive data, explore our NIS2 compliance guide.
Potential educational applications and beyond
Dessa's capabilities could extend beyond commercial applications, finding employment in sectors such as education and healthcare. The ability to recognize emotional signals could significantly improve interactions between AI and users, making systems more empathetic and responsive. However, it is essential to balance these innovations with adequate security measures to prevent abuse.
To further explore AI applications in education, see also: how AI is revolutionizing education.
Challenges and ethical considerations
The adoption of advanced vocal technologies like Dessa raises important ethical questions. It is crucial to ensure that these technologies are used responsibly, respecting user privacy and preventing abuse. Companies must implement robust security measures, such as identity access management and protection of sensitive data, to mitigate the risks associated with these technologies.
For a comprehensive overview of the necessary security measures, explore our guide to protecting sensitive data.
The evolution of the vocal AI market
The launch of Dessa fits into a context of rapid evolution of the vocal artificial intelligence market, which, according to the latest estimates, should reach a value of $25.6 billion by 2028, with a CAGR of 15.9% from 2023. This growth is driven by the demand for more natural and interactive solutions in sectors such as customer service, healthcare, and education. Technologies based on direct audio, like the one developed by Block, represent only 7% of the current market but are destined to grow rapidly thanks to their ability to offer more fluid and human experiences.
Impacts on the cybersecurity sector
The arrival of technologies like Dessa poses new challenges for the cybersecurity sector. According to a recent Gartner report, 60% of companies adopting advanced vocal AIs will need to review their security protocols by 2025. The need to implement managed SOC solutions and MDR services becomes crucial to prevent cyberattacks that exploit the deception capabilities of these technologies. Furthermore, compliance with the NIS2 directive requires the adoption of advanced protection measures, such as zero trust architecture and identity access management, to ensure the security of critical infrastructures.
Opportunities for investors
For investors, the emergence of technologies like Dessa opens new opportunities in the vocal AI sector. According to a CB Insights analysis, startups operating in this field received over $1.2 billion in funding in 2023, a 30% increase from the previous year. Companies offering crypto institutional custody and crypto wealth management solutions could benefit from these innovations, integrating advanced vocal technologies into their services to offer more personalized and secure experiences to clients.
Regulatory implications
The presentation of Dessa raises important regulatory questions, particularly regarding the need for clear guidelines for the use of vocal AI technologies. The DORA regulation, which aims to strengthen digital operational resilience, could be extended to include specific provisions for vocal artificial intelligences. Additionally, compliance with crypto taxation in Italy becomes even more complex, requiring the intervention of crypto accountants and specialized tax consultants to ensure that companies adhere to current regulations.
Technical challenges and future developments
Despite the progress, Desa still faces several technical challenges. According to a MIT Technology Review analysis, 40% of vocal AI technologies currently on the market have problems with contextual understanding and emotion management. Block is working to overcome these limitations, exploring new approaches to improve Dessa's ability to recognize complex emotional signals. The company is also evaluating the possibility of integrating disaster recovery as a service and enterprise backup technologies to ensure operational continuity in case of malfunctions.
The role of education in the spread of vocal AIs
The adoption of technologies like Desa requires a cultural change, particularly in the education sector. According to a UNESCO report, 70% of teachers are not adequately prepared to use advanced AI technologies in classrooms. Projects like GiggleAcademy could play a key role in bridging this gap, offering training and resources to help educators integrate these technologies into their teaching methods. Additionally, the adoption of Data Loss Prevention and corporate DLP solutions becomes essential to protect students' sensitive data.
Conclusion and future predictions
Dessa represents a significant step in the evolution of vocal AI technologies, offering new opportunities and challenges for various sectors. According to experts, by 2027, 30% of user interactions with AI systems will be based on advanced vocal technologies. However, to fully realize the potential of these technologies, it will be necessary to address security, regulatory, and training challenges. The adoption of penetration test and vulnerability assessment solutions will become crucial to ensure that these technologies are used safely and responsibly. Furthermore, the integration of cloud security posture and CSPM technologies will enable companies to protect their sensitive data in an increasingly connected environment.
Frequently Asked Questions
What are the main applications of Dessa?
Dessa can be used in various sectors, including education, customer service, and healthcare, thanks to its ability to simulate human conversations naturally.
How does Dessa's technology work?
Dessa processes audio directly, without going through text conversion, which allows it to handle interruptions, laughter, and tone changes during conversations.
What are the main concerns regarding Dessa?
The main concerns involve the potential misuse of the technology for phone scams and deception, as well as the ethical implications related to the simulation of human conversations.
When will it be available to the public?
Block has not yet revealed a public release date for Dessa. Currently, the technology is only available as a research preview for a select group of AI security researchers.
What are the security implications of Dessa?
The adoption of technologies like Dessa requires the implementation of advanced security measures, such as zero trust architecture and identity access management, to prevent cyberattacks and ensure the protection of sensitive data.
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